How to calculate powers of complex numbers

Powers and Roots of Complex Numbers. 7. Powers and Roots of Complex Numbers. by M. Bourne. Consider the following example, which follows from basic algebra: (5e 3j) 2 = 25e 6j. We can generalise this example as follows: (rejθ)n = rnejnθ. The above expression, written in polar form, leads us to DeMoivre's Theorem Powers of complex numbers (practice) | Khan Academy. Simplify a power of a complex number z^n, or solve an equation of the form z^n=k. Simplify a power of a complex number z^n, or solve an equation of the form z^n=k. If you're seeing this message, it means we're having trouble loading external resources on our website

7. Powers and Roots of Complex Numbers - DeMoivre's Theore

• Powers and Roots of Complex Numbers. A series of free Trigonometry Lessons. How to find the Powers and Roots of Complex Numbers? Raising complex numbers, written in polar (trigonometric) form, to positive integer exponents using DeMoivre's Theorem. Then finding roots of complex numbers written in polar form
• As a consequence, we will be able to quickly calculate powers of complex numbers, and even roots of complex numbers. Beginning Activity Let \(z = r(\cos(\theta) + i\sin(\theta))\)
• This means that the apparent power is 28.8 VA. Although the complex power S can be expressed as a polar number, it IS NOT a phasor. Remember, phasors come from sinusoids in the time domain, and that's not what's going on here. That's it. We're done. |S| P Q Power Triangle: S = P + j
• Calculator roots of Complex Numbers There are 7 solutions, due to The Fundamental Theorem of Algebra. Your expression contains roots of complex number or powers to 1/n. z1 = ((1 + i)^ (1/7)) = 1.0441497+0.1176474i = 1.0507566 × ei π/28 Calculation step
• If z = r e i θ = e ln. ⁡. r + i θ you can raise to the power w in the usual way (multiplication of exponents), even if w is a complex number. However the expression of z in this manner is far from unique because θ + 2 n π for integer n will do as well as θ and raising to a constant power can give an interesting set of equivalent powers
• You could use the complex number in rectangular form (z=a+bi) and multiply it n^(th) times by itself but this is not very practical in particular if n>2. What you can do, instead, is to convert your complex number in POLAR form: z=r angle theta where r is the modulus and theta is the argument. Graphically: so that now the n^(th) power becomes: z^n=r^n angle n*theta Let's look at an example.

Powers of complex numbers (practice) Khan Academ

1. value to ln a: there are lots of different complex numbers zfor which e^z = a, and for any such complex number z, you could define a^(b+ic) to be e^(z(b+ic)) and use the above technique to calculate it. This is illustrated in th
2. In this section we're going to take a look at a really nice way of quickly computing integer powers and roots of complex numbers. We'll start with integer powers of z = reiθ z = r e i θ since they are easy enough. If n n is an integer then, zn = (reiθ)n = rnei nθ (1) (1) z n = ( r e i θ) n = r n e i n θ
3. First, the imaginary numbers calculator finds a general formula for the complex power of two numbers, given as A * B. AB = (x + yi) (m + ni) = Since it is not clear how to extend this expression, the complex calculator use F as the polar form of a complex number. (|z_1| * exp (iφ_1)) (c + di) = , now the product of any power multiplied by the sum
4. Roots are not unique, so it is already clear that complex powers are multivalued, thus careful treatment of powers is needed; for example (8 1/3) 4 ≠ 16, as there are three cube roots of 8, so the given expression, often shortened to 8 4/3, is the simplest possible. I think you should break it down to polar notation and go from there
5. g. (5 votes
6. It will perform addition, subtraction, multiplication, division, raising to power, and also will find the polar form, conjugate, modulus and inverse of the complex number
7. Power one complex number to another integer/real/complex number ln The natural logarithm of a value or expression log The base-10 logarithm of a value or expression abs or |1+i| The absolute value of a value or expression phase Phase (angle) of a complex number cis is less known notation: cis(x) = cos(x)+ i sin(x); example: cis (pi/2) + 3 = 3+i con

Powers and Roots of Complex Numbers (with worked solutions

Complex power (in VA) is the product of the rms voltage phasor and the complex conjugate of the rms current phasor. As a complex quantity, its real part is real power P and its imaginary part is reactive power Q. Introducing the complex power enables us to obtain the real and reactive powers directly from voltage and current phasors. (1.21 Top. 13. Integer powers of complex numbers. Integer powers of complex numbers are just special cases of products. The n th power of z, written zn, is equal to. zn = rn ( cos ( n )+ i sin ( n)), (1.24) where n is a positive or negative integer or zero. If we know a complex number z, we can find zn

Complex Number Calculator. Instructions:: All Functions . Instructions. Just type your formula into the top box. Example: type in (2-3i)*(1+i), and see the answer of 5-i. All Functions Operators + Addition operator -Subtraction operator * Multiplication operator / Division operator ^ Power/Exponent/Index operator Parentheses: Functions : sqrt: Square Root : sin: sine : cos: cosine : tan. The Complex sum of Real Power (P) and Reactive Power (Q) is known as Complex Power which can be expressed like S = P+jQ and measured in terms of Volt Amps Reactive (generally in kVAR). It may also be expressed as S=VI* where I* is the conjugate of the complex current I Simplify complex expressions using algebraic rules step-by-step. full pad ». x^2. x^ {\msquare} \log_ {\msquare} \sqrt {\square} \nthroot [\msquare] {\square} \le Output. Enter a base number: 3 Enter an exponent: 4 Answer = 81. The above technique works only if the exponent is a positive integer . If you need to find the power of a number with any real number as an exponent, you can use the pow () function Complex Number Functions in Excel The first, and most fundamental, complex number function in Excel converts two components (one real and one imaginary) into a single complex number represented as a+bi. The function is COMPLEX and its syntax is as follows: COMPLEX (real_num, i_num, [suffix]

Use a calculator to complete exponent equations quickly. Calculators have specific functions for calculating exponents. Use the E, ^, or e^x button to raise any number to any power. Calculators make it easy to check your work and easily convert negative exponents C++ Program to Calculate Power of a Number. C++ Programming Server Side Programming. The power of a number can be calculated as x^y where x is the number and y is its power. For example. Let's say, x = 2 and y = 10 x^y =1024 Here, x^y is 2^10. Power of a number can be calculated using recursive and non-recursive programs A 35 is a power too large to calculate by hand, therefore the powers of the matrix must follow a pattern. So we're going to calculate up to A 5 to try to figure out the sequence:. Now we can see the pattern that the powers follow: at each power all numbers remain the same, except for the element in the second column of the second row, which is multiplied by 3

Finding Powers and Roots of Complex Numbers in Polar Form. Finding powers of complex numbers is greatly simplified using De Moivre's Theorem. It states that, for a positive integer [latex]n,{z}^{n}[/latex] is found by raising the modulus to the [latex]n\text{th}[/latex] power and multiplying the argument by [latex]n[/latex]. It is the. Finding value if the power of iota is a larger number using the previous procedure, will take quite some time and effort. If we observe all the powers of iota and the pattern in which it repeats its values in the above equations, we can calculate the value of iota for higher powers as given below, Step 1: Divide the given power by 4

5.3: DeMoivre's Theorem and Powers of Complex Numbers ..

• Degrees =', numpy.degrees(cmath.phase(-4-4j))) # we can get phase using math.atan2() function too print('Complex number phase using math.atan2() =', math.atan2(2, 1)) Result 4+ 4j Phase = 0.7853981633974483 Phase in Degrees = 45.0 -4-4j Phase = -2.356194490192345 radians. Degrees = -135.0 Complex number phase using math.atan2() = 1.107148717794090
• Simplify a power of a complex number z^n, or solve an equation of the form z^n=k. If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked
• Complex Power Calculations AsstProf Jones -- Fall 2007 There are several techniques for calculating the real, reactive, and apparent powers of arbitrary impedances. Some common methods potentially require a large number of steps; however, in some cases, it may be desirable to use an alternate approach. Specifically, the approach presented here is widely applicable, and often requires fewer (or.
• That's the imaginary number unit circle. It's significance is not needed to know as of right now, but the main thing is it has all four variants. i⁰ = 1. i¹ = i. i² = -1. i³= -i. i⁴ = 1. You may notice that on the unit circle, the value is going counterclockwise. Each multiple of four will always equal 1
• Complex Numbers. A complex number is made up of both real and imaginary components. It can be represented by an expression of the form (a+bi), where a and b are real numbers and i is imaginary. When defining i we say that i = .Then we can think of i 2 as -1. In general, if c is any positive number, we would write:. If we have a complex number z, where z=a+bi then a would be the real component.
• In many cases, these methods for calculating complex number roots can be useful, but for higher powers we should know the general four-step guide for calculating complex number roots. In order to use DeMoivre's Theorem to find complex number roots we should have an understanding of the trigonometric form of complex numbers

Calculate (1 + i)=(2 + i3). 3. Show that the nal formula for division follows from the de nition of multiplication (as it should): if z= z 1=z 2 then z 1 = zz 2, solve for <(z) and =(z). 1.2 Limits and Derivatives The modulus allows the de nition of distance and limit. The distance between two complex numbers zand ais the modulus of their di erence jz aj. A complex number ztends to a complex. complex number. The angle from the positive axis to the line segment is called the argumentof the complex number, z. The modulus and argument are fairly simple to calculate using trigonometry. Example.Find the modulus and argument of z =4+3i. Solution.The complex number z = 4+3i is shown in Figure 2. It has been represented by th The complex numbers calculator can also determine the conjugate of a complex expression. To calculate the conjugate of the following complex expression z= 1 + i 1 - i, enter complex_conjugate ( 1 + i 1 - i) or directly (1+i)/ (1-i), if the button complex_conjugate already appears, the result -i is returned. With this function, the calculator. The complex number calculator can divide complex numbers online , to divide complex numbers 1 + i et 4 + 2 ⋅ i, enter complex_number ( 1 + i 4 + 2 ⋅ i) , after calculation, the result 3 10 + i 10 is returned. The complex number calculator allows to perform calculations with complex numbers (calculations with i)

Powers of complex numbers. Integer powers of nonzero complex numbers are defined by repeated multiplication or division as above. If i is the imaginary unit and n is an integer, then i n equals 1, i, −1, or −i, according to whether the integer n is congruent to 0, 1, 2, or 3 modulo 4 In power system, to calculate complex power, formula S=VI* is used instead of S=V*I. It is because to allocate plus sign to reactive power consumption to inductors/coils/induction motors etc. (3) Now consider the following circuit (Figure 4): Figure-4. Now you can understand easily that in this case half of the total reactive power consumed by inductor will be supplied by voltage source and.

The calculator displays complex number and its conjugate on the complex plane, evaluate complex number absolute value and principal value of the argument . It also demonstrates elementary operations on complex numbers. Starting from the 16th-century, mathematicians faced the special numbers' necessity, also known nowadays as complex numbers Since the denominator of the fraction was odd, we were able to solve for a real number. If the denominator were even, though, we would have no real solution, since the even root of a negative number is undefined for real numbers. Instead, we would have to turn to complex numbers for a more adequate interpretation (see the accepted answer by. Visualizing complex number powers. Practice: Powers of complex numbers . Complex number polar form review. Video transcript. in this video we're going to hopefully understand why the complex form of a comp or why the exponential form of a complex number is actually useful so let's say we wanted to find so let's say we want to solve the equation X to the third power is equal to one so we want.

• ent space on which the coordinates may be.
• Calculating Power using the pow() function #. The above program can only calculate powers when the exponent is positive. To calculate the power of a number for any real exponent use the pow() function.. To use the pow() function make sure to include math.h header file at the top of the program
• Complex Numbers. By M Bourne. Chapter Contents. 1. Basic Definitions of imaginary and complex numbers - and where they come from.. 2. Basic Operations - adding, subtracting, multiplying and dividing complex numbers.. 3. Graphical Representation of complex numbers.. 4. Polar Form of complex numbers . 5. Exponential Form of complex numbers . 6
• This calculator does basic arithmetic on complex numbers and evaluates expressions in the set of complex numbers. As imaginary unit use i or j (in electrical engineering), which satisfies basic equation i 2 = −1 or j 2 = −1.The calculator also converts a complex number into angle notation (phasor notation), exponential, or polar coordinates (magnitude and angle)
• Properties of complex numbers; Add and subtract complex numbers; How to find the modulus and argument of a complex number; After having gone through the stuff given above, we hope that the students would have understood How to find modulus of a complex number
• Polar to Rectangular Online Calculator; 5. Exponential Form of Complex Numbers; Euler Formula and Euler Identity interactive graph; 6. Products and Quotients of Complex Numbers; Graphical explanation of multiplying and dividing complex numbers; 7. Powers and Roots of Complex Numbers; 8. AC Circuit Definitions; 9. Impedance and Phase Angle.
• Complex Numbers: Introduction. Up until now, you've been told that you can't take the square root of a negative number. That's because you had no numbers which were negative after you'd squared them (so you couldn't go backwards by taking the square root). Every number was positive after you squared it

Recall that if your calculator returns a value of \({\theta _1}\) then the second value that will also satisfy the equation will be \({\theta _2} = {\theta _1} + \pi \). So, if you're using a calculator be careful. You will need to compute both and the determine which falls into the correct quadrant to match the complex number we have because only one of them will be in the correct quadrant. Find powers of complex numbers in polar form. Find roots of complex numbers in polar form. God made the integers; all else is the work of man. This rather famous quote by nineteenth-century German mathematician Leopold Kronecker sets the stage for this section on the polar form of a complex number. Complex numbers were invented by people and represent over a thousand years of continuous. Percent of category in Power Query. To calculate the % of a category, it's not as easy. Power Query does not have the equivalent of the SUMIF or SUMIFS functions, so we need to think differently. Instead, we will be creating a transformation formula to achieve the same result. Within Power Query click Add Column -> Custom Column; In the Custom Column dialog box enter the following formula. -32i First write this complex number in polar form and then apply De Moivre : (1-i)^10=(sqrt2/_-pi/4)^10=[sqrt2(cos(-pi/4)+isin(-pi/4))]^10 =(sqrt2)^10[cos(-10pi/4. In theory, you can't really raise a negative number to a non integer power. Think about what (-1)^1.5 really means, for example. Any non integer power will require complex root. - Señor O Oct 17 '13 at 21:3

Finding Powers of Complex Numbers in Polar Form. Finding powers of complex numbers is greatly simplified using De Moivre's Theorem. It states that, for a positive integer is found by raising the modulus to the power and multiplying the argument by It is the standard method used in modern mathematics Phase of Complex Number. The phase of a complex number is the angle between the real axis and the vector representing the imaginary part. Below image illustrates the phase of a complex number and how to get this value using cmath and math modules.. Note that the phase returned by math and cmath modules are in radians, we can use numpy.degrees() function to convert it to degrees The modulus of a complex number is Sqrt(Re(z) ^2 + Im(z) ^2), or for any complex number a+bi, the modulus equals the square root of (a^2 + b^2). The modulus of a complex number z can be written as |z|. It's sort of like the magnitude of z, or the distance from z to the origin, when graphed on the complex plane Online calculator to calculate modulus of complex number from real and imaginary numbers. Code to add this calci to your website. Just copy and paste the below code to your webpage where you want to display this calculator Complex numbers which are mostly used where we are using two real numbers. For instance, an electric circuit which is defined by voltage(V) and current(C) are used in geometry, scientific calculations and calculus

Complex number calculator: pow(1+i,1/7

1. Power 3 of ( 2 3i ) = r 3 e i3Θ = r 3 Cos (3Θ) + i r 3 Sin (3Θ) Where r = √2 2 + 3 2 = √13. &. Θ = tan -1 ( 3 / 2 ) Now copy the formula to the other remaining cells using Ctrl + D shortcut key. As you can see the IMPOWER function formula giving results just fine. Use the Power 2 to get the Square of the complex number
2. g language. In mathematics, an exponent of a number says how many times that number is repeatedly multiplied with itself (Wikipedia, 2019). We usually express that operation as b n, where b is the base and n is the exponent or power. We often call that type of operation b raised to the n-th power, b raised to the power of n, or most.
3. In this article, we will write java programs to calculate power of a number. 1. Program to calculate power of a number using for loop. In this program we are calculating the power of a given number using for loop. Here number is the base and p is the power (exponent). So we are calculating the result of number^p
4. ator. In this lesson, we show how to simplify these results by using the complex conjugate

Write a Python Program to find Power of a Number For Loop, While Loop, and pow function with an example. Program to find Power of a Number using For loop. This Python program allows the user to enter any numerical value, exponent. Next, this Python program finds the power of a number using For Loop Modulus of a Complex Number. Did you know we can graph complex numbers? Well, we can! And it's actually quite simple. Before we get to that, let's make sure that we recall what a complex number is

Formula for raising a complex number to a power

Instantaneous power in an electric circuit is the rate of flow of energy past a given point of the circuit. In alternating current circuits, energy storage elements such as inductors and capacitors may result in periodic reversals of the direction of energy flow.. The portion of power that, averaged over a complete cycle of the AC waveform, results in net transfer of energy in one direction is. Imaginary numbers are based on the mathematical number $$ i $$. $$ i \text { is defined to be } \sqrt{-1} $$ From this 1 fact, we can derive a general formula for powers of $$ i $$ by looking at some examples 4. Polar Form of a Complex Number. by M. Bourne. We can think of complex numbers as vectors, as in our earlier example. [See more on Vectors in 2-Dimensions].. We have met a similar concept to polar form before, in Polar Coordinates, part of the analytical geometry section

Tutorial on learn how to calculate modulus of complex number with definition, formula and example This Excel tutorial explains how to use the Excel COMPLEX function with syntax and examples. The Microsoft Excel COMPLEX function converts coefficients (real and imaginary) into a complex number. The complex number can be in either form, x + yi or x + yj

How do I find the nth power of a complex number? Socrati

How to Simplify Complex Numbers. Updated December 14, 2020. By Lee Johnson. Performing calculations and dealing with exponents forms a crucial part of higher-level math. Although expressions involving multiple exponents, negative exponents and more can seem very confusing, all of the things you have to do to work with them can be summed up by a few simple rules. Learn how to add, subtract. Complex Numbers are the combination of real numbers and imaginary numbers in the form of p+qi where p and q are the real numbers and i is the imaginary number. An imaginary number is defined where i is the result of an equation a^2=-1. We can use i or j to denote the imaginary units. As complex numbers are used in any mathematical calculations and Matlab is mainly used to perform mathematical.

Question Corner -- Raising a Number to a Complex Powe

• ute (N) is 24. Finally, Click on Calculate. As you can see from the screenshot above, Nickzom Calculator - The Calculator Encyclopedia solves for the angular velocity and presents the formula, workings and steps too
• De Moivre's Theorem is an easy formula which is used for calculating the powers of complex numbers. This theorem can be derived from Euler's equation since it connects trigonometry to complex numbers. De Moivre's Theorem Formula, Example and Proof. Statement For an integer/fraction like n, when computed the value obtained will be either the complex number 'cos nθ + i sin nθ' or one of the.
• g, applied math
• Complex Numbers and Powers of i The Number - is the unique number for which = −1 and =−1 . Imaginary Number - any number that can be written in the form + , where and are real numbers and ≠0. Complex Number - any number that can be written in the form + , where and are real numbers. (Note: and both can be 0.) The union of the set o
• He explains that he memorized the powers of 300,000 numbers. He uses memorized numbers as a tool for calculating. And gives an example for square roots. If you memorize the root of 45 and you want to calculate the root of 11.25, you take the memorized number and divide it by 2. He does not explain how he memorizes the 300,000 numbers btw
• This calculator allows one to convert complex number from one representation form to another with step by step solution. For example, you can convert complex number from algebraic to trigonometric representation form or from exponential back to algebraic, ect. To use the calculator, one need to choose representation form of complex number and input data to the calculator. Not only numbers and.

Complex Number Primer - Lamar Universit

4-3 Complex Number Calculation Precautions • The input/output range of complex numbers is normally 10 digits for the mantissa and two digits for the exponent. • When a complex number has more than 21 digits, the real number part and im-aginary number part are displayed on separate lines. • When either the real number part or imaginary number part equals zero, that part is not displayed. COMPLEX NUMBERS AND PHASORS Professor Andrew E. Yagle, EECS 206 Instructor, Fall 2005 Dept. of EECS, The University of Michigan, Ann Arbor, MI 48109-2122 I. Abstract The purpose of this document is to introduce EECS 206 students to the concept of phasors-complex numbers used to represent sinusoids, to simplify the math of manipulating sinusoids. Phasors will be used again in EECS 215 and 31 Enter a number or a decimal number or scientific notation and the calculator converts to scientific notation, e notation, engineering notation, and standard form formats. To enter a number in scientific notation use a carat ^ to indicate the powers of 10. You can also enter numbers in e notation. Examples: 3.45 x 10^5 or 3.45e5 Taking the cube root is easy if we have our complex number in polar coordinates. I'll write the polar form as. #z=re^{i theta}# (Hopefully they do it this way in precalc; it makes everything easy). Every non-zero complex number has three cube roots. In general, any non-integer exponent, like #1/3# here, gives rise to multiple values Step 1. Specify a hypothesis test. Most studies have many hypotheses, but for sample size calculations, choose one to three main hypotheses. Make them explicit in terms of a null and alternative hypothesis. Step 2. Specify the significance level of the test. It is usually alpha = .05, but it doesn't have to be. Step 3

Find Roots of Number. Open Live Script. Calculate the roots of -1 to the 1/3 power. A = -1; B = 1/3; C = A.^B. C = 0.5000 + 0.8660i For negative base A and noninteger B, the power function returns complex results. Use the nthroot function to obtain the real roots. C = nthroot(A,3) C = -1 Input Arguments. collapse all. A, B — Operands scalars | vectors | matrices | multidimensional arrays. 1 Review of complex numbers 1.1 Complex numbers: algebra The set C of complex numbers is formed by adding a square root iof 1 to the set of real numbers: i2 = 1. Every complex number can be written uniquely as a+bi, where aand bare real numbers. We usually use a single letter such as zto denote the complex number a+ bi. In this case ais the real part of z, written a= Rez, and bis the imaginary. How to find formulae for Fibonacci numbers. How can we compute Fib(100) without computing all the earlier Fibonacci numbers? How many digits does Fib(100) have? Using the LOG button on your calculator to answer this. Binet's formula is introduced and explained and methods of computing big Fibonacci numbers accurately and quickly with several online calculators to help with your investigations Polar Form Of A Complex Number Calculator This book below to degree mode and complex form. How do roots of rectangular and analyse our syst..

Complex Number Calculator - Convert to Polar & Imaginary

Power analysis for ANOVA will depend on the number of effects. The example we present here is for a single factor design. Suppose you are conducting a study where you want to compare 10 groups of occupations on your independent variable and you expect a medium effect size (f = .25) based on prior research. You may also know that you want 95% power (alpha=.05). Given these numbers you would. Powers. Calculating powers of numbers is one of the tasks that scientific calculators can do. There are dedicated keys for calculating squares, square roots, cubes, cube roots, exponential values, xth root of y, and inverse values. The zone on the calculator that has all these is shown in the image below. Diagram 2: Function Keys. E.g. 1: Calculating the square of 12. Enter the number 12. Complex Number calculations can be executed in the Complex Mode. From the Main Menu, use the arrow keys to highlight the Complex icon, then press p or press 2. In Complex Mode, operations can be carried out using the imaginary unit U. To add complex numbers, press 2+3bU+5-7bUp. Complex numbers that are multiplied are displayed in complex format. Press (3-2bU) (5+6bU)p. The argument of the. Apparent Power in an AC circuit is the resultant of the active and reactive powers. In complex number, S = P + j Q. Where the S is the apparent power, P is active power and the Q is reactive power. Active Power or True power, P = V x I CosΦ W. Reactive Power, Q = V x I SinΦ VAR. Apparent Power, S = V x I V Scientific Calculator. A scientific calculator supports calculations of trigonometric functions, such as sine, cosine, tangent, cotangent, etc. Using this calculator, you can find the logarithm of a number, raise to a power, find a root square and, moreover, a nth root. A scientific calculator is easy to use online-there is no need to download.

Now I will explain how to take a square root of a complex number written in the form. , (1) where and are real numbers. So, let us suppose that the original complex number is presented in the form (1), and we will look for the square root in the similar form. , (2) where and are real numbers. Our goal is to calculate components and via given. Polar Form of a Complex Number Calculator. The calculator will find the polar form of the given complex number, with steps shown. Complex number: If the calculator did not compute something or you have identified an error, or you have a suggestion/feedback, please write it in the comments below. Your Input. Find the polar form of $$$ \sqrt{3} + i $$$. Solution. The standard form of the complex. Calculate the sums and differences of complex numbers by adding the real parts and the imaginary parts separately. Key Takeaways Key Points. Complex numbers can be added and subtracted to produce other complex numbers. This is done by adding the corresponding real parts and the corresponding imaginary parts. It is possible for two non-real complex numbers to add to a real number. However, two. We built 8 into a square (that is, to the second degree) and got the result of the calculation in cell A2. Variant 2. Using the function. In Microsoft Office Excel there is a convenient function «POWER», which you can activate for simple and complex mathematical calculations. The function looks like this: =POWER(Number,Degree) ATTENTION A scalar number is the type of mathematical object that people are used to using in everyday life: a one-dimensional quantity like temperature, length, weight, etc. A complex number is a mathematical quantity representing two dimensions of magnitude and direction. A vector is a graphical representation of a complex number Exponentiation is a mathematical operation in which a number called the base is raised to a power, which is given by the exponent. The exponent is usually written as a superscript, for example if the base is b and the exponent e the exponentiation of b by e will be be. This is the operation this online exponent calculator performs for you