# Nth Root Calculator

The geometric mean, by definition, is the nth root of the product of the n units in a data set. Posted on January 6, 2015 by Rod Stephens. Installed Calculator HD, and enjoyed the simple design and the "History" feature. Calculating the nth root of a number. For example, the geometric mean of 5, 7, 2, 1 is (5 × 7 × 2 × 1) 1/4 = 2. The online scientific calculator with advanced functions is displayed primarily, clicking on the standard calculator link will display the free online mathematical calculator. This process of using exponents is called "raising to a power", where the exponent is the "power". A beautiful, free Scientific Calculator from Desmos. BYJU's Online Calculator is tool which will help you to do multiple calculations related to Maths, Physics, Chemistry etc. Byju's Nth Root Calculator is a tool which makes calculations very simple and interesting. Best Answer: By "ordinary calculator", I'm going to guess that you mean one of those small, non-scientific pocket calculators. On a TI-84 Plus CE (and I assume other TI-84s) you can click the button labeled “math” and then look for a root sign with an “x” in front of the top part. This calculator for to calculating the sum of a series is taken from Wolfram Alpha LLC. Every positive real number x has a single positive nth root, called the principal nth root, which is written. So, in this example we get the numbers from column B and powers from column C: =. 1 nth Roots and Rational Exponents 237 5. Number to English Words Converter converter to convert the numbers in standard form to numbers in English words. The Calculator on this page lets you examine this for any G series. Q: My calculator only has a key to calculate natural logarithms. nth Roots You can extend the concept of a square root to other types of roots. A tuple (possible only as a keyword argument) must have length equal. Online exponents calculator with work shown and negative exponents. 0 root of 125. The calculator is designed to solve for the roots of a quartic polynomial with the form: x 4 + a·x 3 + b·x 2 + c·x + d = 0. the 9999th root) in which case enter 9999 in the green root box. Refer Wiki page for more information. Calculate nth root of a number. Students struggling with all kinds of algebra problems find out that our software is a life-saver. Example: Find the 5 th roots of 32 + 0i = 32. The special case of the square root is denoted. Primitive roots of unity The table below gives a primitive 2 n th root of unity and its multiplicative inverse in the field of integers mod 70383776563201 for 0 ≤ n ≤ 30. We could use the nth root in a question like this:. The case is known as the cube root. If the order of the resulting polynomial is at least two and any coeﬃcient a i is zero or negative, the polynomial has at least one root with nonnegative. Powers and roots — formulas;. Calculate the exact and approximate value of the cube root of a real number. The expand-o-tron (or our calculator) does the work by crunching the numbers to get the final scaling factor. Not only does it do math much faster than almost any person, but it is also capable of performing mathematical functions that no person can calculate because the numbers are too large or small. For eg, If I want to calculate 3rd root of 125, I press 125 then (yx) then 3 then (+/-) and (=) and it doesnt gives me 5 as an answer. Another way to do this is just to use the ^ key. A tuple (possible only as a keyword argument) must have length equal. Complex Roots The Fundamental Theorem of Algebra states that every polynomial of degree one or greater has at least one root in the complex number system (keep in mind that a complex number can be real if the imaginary part of the complex root is zero). 2 Rewrite expressions involving radicals and rational exponents using the properties of exponents. Finding Zeros, Roots, Solutions, x-intercepts. The pictures. In mathematics, an nth root of a number x, is a number r which, when raised to the power n yields x. nth Root Calculator - Calculate nth Root of any number easily. \t Clears statistics memory. Both the quartic and quartic root values are calculated. Here are the search phrases that today's searchers used to find our site. There are 5, 5 th roots of 32 in the set of complex numbers. 501776, which is 2. nth root calculator. > > Does anyone know the correct key sequence (in Windows Calculator) to > > calculate Nth root calculations? > > > > Thanks, > > > > Dave > > It comes back to basic maths: The fifth root of x is the same > as x to the power of 0. Please use this form if you would like to have this math solver on your website, free of charge. The case is known as the cube root. As of ES7, the exponentiation operator ** can be used to calculate the nth root as the 1 / n th power of a non-negative base: let root1 = Math. To calculate any root of a number use our Nth root calculator. For example, 2 is a cube root of 8 because 23 = 8. Your task is simple enough calculate the Nth digit in the representation of Pi. Follow the progression from simplifying square roots and radicals, through the properties of radicals and simplifying nth roots. I love it! Great job! Bill Reilly, MA. Created Date: 1/17/2019 10:36:18 AM. 32 = 32(cos0º + isin 0º) in trig form. This free root calculator determines the roots of numbers, including common roots such as a square root or a cubed root. Related Links. Come to Rational-equations. Root of a power and power of a root A base raised to a fractional exponent m/n can be written in two ways in terms of radicals: as the n th root of the m th power: or as the m th power of the n th root: Note that the n th power of the n th root of any quantity and the n th root of the n th power of any quantity just equal that quantity: and. This article describes the formula syntax and usage of the SQRT function in Microsoft Excel. This is an immediate result of Vieta's formulas on the polynomial and Newton sums. if you have a standard algebraic function (read polynomial), eventually you will get zero as your answer. Students struggling with all kinds of algebra problems find out that our software is a life-saver. Polynomial calculator - Parity Evaluator ( odd, even or none ). 11 Derivatives 49 2. For example, the geometric mean of 5, 7, 2, 1 is (5 × 7 × 2 × 1) 1/4 = 2. 32 CHAPTER 5 Discovering Advanced Algebra Calculator Notes for the Texas Instruments TI-83 and TI-83/84 Plus ©2004 Key Curriculum Press Note 5A • Powers and Roots Powers The calculator has special keys for squaring, , and raising to a power of 1, (taking the reciprocal). Some calculators have. net dictionary. UniqueCalculators's Quadratic Formula calculator tool which makes calculations very simple and interesting. Just insert the inputs of a, b and c values of Quadratic Equation to get the Discriminant value. 1/2 Evaluate the expression. Enter the root degree (n) and number (x) and press the = button:. Cube root and Nth root calculator. For the special cases of square and cubic root, it's best to use the native functions Math. Our calculator will automatically do all necessary calculations and you can freely use it in your calculations! So, let's take some examples. For example, since 2 5 = 32. There are 5, 5 th roots of 32 in the set of complex numbers. For example, use the square root calculator below to find the square root of 7. Sometimes it can happen that software data are not complete or are outdated. 14 Complex Numbers 55 2. 718281828 raised to power x. Here is that funny long division-like method for finding square and cube roots generalized to nth roots. This important formula is known as De Moivre's formula. In general, the nth root of a number is the same as the (1/n)th power of the number. Note that calculators or computers are used for most square root calculations, but knowing how to manually calculate a square root can be quite useful when no calculator is available. Rewrite the expression using radical notation Real nth Roots Evaluate these expressions with a calculator. Free Exponent calculator with variable online. Factor out any roots at the origin to obtain the polynomial, and multiply by −1 if necessary, to obtain a 0s n +a 1s n−1 +···+a n−1s+a n = 0 (2) where a 0 6= 0 and a n > 0. Branding project based on the original logo design. Consider the following example, which follows from basic algebra: (5e 3j) 2 = 25e 6j. To get the cube root of a number, you can use the caret(^) operator with 1/3 as the exponent in a simple formula. This calculator has three ways of entering the root. How does this cube root calculator work? This cube root calculator might come in handy whenever you need to calculate the cube root of any given positive or negative numbers (including decimals). Simplify Square Roots with Negative Numbers Five Pack - Simplify these in terms of i. There are 4 fourth roots of unity and they are 1, i,−1 and−i. Below we can see an example of the accuracy that our workaround provides. For every even-degree root (for example the 2nd, 4th, 6th ) there are two roots. That is, for a given w „ 0, the equation zn = w has n different solutions z. This makes it easier to calculate the decimal approximation. It's easier to use and understand. i have an exam in the morning an must know how to use it. More specifically, given a function defined on the real numbers with real values and given a point in the domain of , the fixed point iteration is. Surely: cuberoot(27) is more readable than: nth_root(cuberoot, 27) It's not even a particularly accurate name, as all it does is call the first argument (which doesn't have to be at all related to finding roots) with the second. 6-1 nth roots reg 1. This online calculator for fifth roots is set up specifically to calculate 5th root. Remember, no calculator! Statement #1: x < 1 Statement #2: x > –1 4 8 14 28 42 5) If A is an integer, what is the value of A? 11 30 45 75 225 Powers & roots This is a tricky set of topics. Calculating the degree of a polynomial with symbolic coefficients. Polynomial calculator - Division and multiplication. © Copyright 2007 Math. Some of the worksheets displayed are What goal 1, Name evaluate nth roots and use rational exponents, Nth roots and rational exponents, Name date period work, 1 simplifying square roots, Square root equations, Radicals. Description. The second term is two times two. Nth Root Calculator. In general, the nth root of a number is the same as the (1/n)th power of the number. For example, to find the cube root of 8 in a cell, type the following:. It can be used to calculate square roots, cube roots, or any other root to any given precision (or until you run out of memory) of a positive real integer. The little box to the upper left of the radical sign is the power of the radical. For example, the geometric mean of 5, 7, 2, 1 is (5 × 7 × 2 × 1) 1/4 = 2. The key with an X and "1/y" in the superscript calculates another root of a number. 6-1 nth roots reg 1. Although square roots are the most common rational roots, we can also find cube roots, 4th roots, 5th roots, and more. An online calculator to find the nth root of the product of n numbers. In the example shown, the formula in D5 is: = B5 ^ ( 1 / C5 ) How this function works By definition, the nth root of a number can be. Cube Roots Practice Worksheet - Find the cubes and cube roots of small and large integers. Combinatorial calculator - calculates the number of options (combinations, variations ) based on the number of elements, repetition and order of importance. Arithmetic Sequence In mathematics, an arithmetic sequence, also known as an arithmetic progression, is a sequence of numbers such that the difference of any two successive members of the sequence is a constant. Since n = 3, you need 3 roots. Newton's method is an iterative method. The symbol indicates an nth root. 32 = 32(cos0º + isin 0º) in trig form. The special case of the square root is denoted. If not provided or None, a freshly-allocated array is returned. I decided to take the input in the form of a Double. A complex number such as 3 + 5i would be entered as a=3 bi=5. Finding the Roots of a Complex Number We can use DeMoivre's Theorem to calculate complex number roots. nth root calculator. They arise in many areas of mathematics, including algebra, calculus, analysis and the study of special functions, and across a wide range of scientific and engineering disciplines. If you just want to know the square root of a number then VBA method is the best, select the cell and run the code. Discriminant Calculator. Feel free to create your own index. Instruction Manual for Scientific Calculator (32) and then click "Simplify_Radical" nth root: a) Find 3rd root 8 ==> Input 'nth Root (3,8). I am going to use the nth term test of divergence. For more information on the calculator's keys and basic functions, refer to chapter 2, Getting Started. A polynomial is an expression of finite length built from variables and constants, using only the operations of addition, subtraction, multiplication, and non-negative integer exponents. Thus, it is sometimes known as the Cauchy root test or Cauchy's radical test. So knowing exactly how to get the Nth root of a number is another way of adding information to my database. In the example shown, the formula in D5 is: = B5 ^ ( 1 / C5 ) How this function works By definition, the nth root of a number can be. As an example, the 40th number in the Fibonacci series is 102,334,155, which can be computed as: f 40 = Φ 40 / 5 ½ = 102,334,155. It applies the Lin-Bairstow algorithm which iteratively solves for the roots starting from random guesses for a solution. Our sequence calculator outputs subsequences of the specified sequence around the selected nth element. So, in this example we get the numbers from column B and powers from column C: =. Using this calculator, you can find the logarithm of a number, raise to a power, find a root square and, moreover, a nth root. Solve the equation. HTML Arrows offers all the html symbol codes you need to simplify your site design. Use our online nth root calculator. 1 Lesson WWhat You Will Learnhat You Will Learn Find nth roots of numbers. An nth root of a number x, where n is a positive integer, is any of the n real or complex numbers r whose nth power is x:. notebook 2 February 05, 2018 Mar 233:52 PM nth root of a n is the index of the radical Example 1: Evaluate without a calculator. So knowing exactly how to get the Nth root of a number is another way of adding information to my database. Roots of Real Numbers Math 97 Supplement 1 LEARNING OBJECTIVES 1. We almost have all the tools we need to build a basic and powerful root-finding algorithm, Newton's method*. Loaded with examples. More Number Calculator; Exponent Solver: Scientific Engg Notation: Prime Number Factorization: Nth Root or Radical Calculator: Sum of Numbers Calculator: Square & Square Root Calculator: Cube & Cube Root Calculator: X Times X Equation Calculator: Percentage Calculator. The calculator provides indicative conversion of gas consumption in cubic metres to kilowatt hours and megawatt hours. Geometric Series Sum Calculator. Well, not quite by hand – I use a calculator for the stuff that I can’t keep in my head. This calculator computes complex and real roots for any quartic polynomial. Cube root and Nth root calculator. 12132034i sqrt(10-6i) = 3. How to get exponential value of a number in java? Example for Math. Adding Subtracting Mixed Numbers Calculator - This calculator adds and subtracts mixed numbers and fractions with different denominators, while offering an in-depth look at the math concepts behind the solution. This calculator will calculate the answer of a base number raised to n th power, including exponential expressions having negative bases and/or exponents. Calculate nth root of a number. Add 3 to each side. 5*5*5 =125 Let's see how to perform square_root in python. Use this calculator to see how long your investment savings can last once you begin taking distributions. Find Inverse Of Square Root Functions. The first way involves functions found in the MATH menu. An nth root of a number x, where n is a positive integer, is any of the n real or complex numbers r whose nth power is x:. This web site owner is mathematician Miloš Petrović. Just as with cube roots, there's a handy shorthand called surd. How to calculate the nth root of a number in JavaScript? Javascript Web Development Front End Technology To calculate the end root of a number, use Math. Nth root Graph and Formulas. Free roots calculator - find roots of any function step-by-step. For most purposes, the pulldown menu is best. Description. The calculator will find the tangent line to the explicit, polar, parametric and implicit curve at the given point, with steps shown. i have an exam in the morning an must know how to use it. pl help Shambhu. nth Root Calculator Online With Variables. Find the nth root of a n = 3 a = -125 because (-5)3 = -125 n = 4 a = 16 Evaluating nth roots (w/o calculator) 1. Powers and Roots of Complex Numbers. This calculator will find the 5th root of a number, so it's simply a specialized form of our common Roots Calculator also know as a Radicals Calculator. Show Instructions In general, you can skip the multiplication sign, so `5x` is equivalent to `5*x`. Want to solve a complex Mathematical problem or want to cross check any problem related to Physics? Here is a simplified solution for you. So knowing exactly how to get the Nth root of a number is another way of adding information to my database. However, you might want a much higher root (e. To avoid many of the technicalities when working with nth roots we will assume, from this point on. For example, to find the cube root of 8 in a cell, type the following:. To do this: 100 y x 5 1/x =. Loaded with examples. out: ndarray, None, or tuple of ndarray and None, optional. For other roots, you can use the [nth-root] function, the shifted function of the key above the divide key. Radicals Nth Root Value Calculation. Use a calculator. Exponents are entered using the caret (^) symbol, with a number on the left and power on the right. sqrt and Math. If the order of the resulting polynomial is at least two and any coeﬃcient a i is zero or negative, the polynomial has at least one root with nonnegative. 13 Using the Last Answer 53 2. Showing result as decimal or fraction. 6-1 Nth Roots Objective: To simplify radicals having various indices, and to use a calculator to estimate the roots of numbers. com is going to be the ideal site to take a look at!. Root of a power and power of a root A base raised to a fractional exponent m/n can be written in two ways in terms of radicals: as the n th root of the m th power: or as the m th power of the n th root: Note that the n th power of the n th root of any quantity and the n th root of the n th power of any quantity just equal that quantity: and. The Root Test can be used on any series, but unfortunately will not always yield a conclusive answer as to whether a series will converge absolutely or diverge. nth Root Calculator. Step 1:: Set the expression inside the square root greater than or equal to zero. We can use the product rule of radicals in reverse to help us simplify the nth root of a number that we cannot take the nth root of as is, but has a factor that we can take the nth root of. If the number you are trying to simplify is greater than 1 and is less than 300 and has an index less than 10 AND it is not in this chart, it doesn't simplify any more (2, 3, 7, 10, and so. Q: My calculator only has a key to calculate natural logarithms. If Windows 10 was not an experimental, undocumented OS this information would have been put in its Help system. For , the sum of the nth roots of unity is 0. Use a calculator to show that each statement is true. Rewrite as exponent 2. Nth Root Radical Calculator is used to find the nth root of the given real number. Scientific calculators possess a number of functions that aren't usually found on standard calculators. For a series ∑ = ∞. 1 Evaluate Nth Roots and Use Rational Exponents Find the indicated real nth root(s) of a. The test proves that our calculator correctly calculates the 3rd root of 125, which is 5. The sqrt function’s domain includes negative and complex numbers, which can lead. long calculations. This is a very versatile calculator that will output sequences and allow you to calculate the sum of a sequence between a starting item and an n-th term, as well as tell you the value of the n-th term of interest. P: n/a Protoman. It is designed in such a way that almost anyone can use it. 7 Factorial, nCr and nPr functions 39 2. Calculatormatik is a math tool that includes many calculators and converters. The cube root of a value is the number that you multiple by itself 3 times to get the original value. You may click on Clear Values to do another. Every positive real number X contains positive nth root , whic is written by `root(n)(x)`. To calculate any root of a number use our Nth root calculator. sqrt button. Polynomial calculator - Sum and difference. Student Loan Calculators - How much will your student loan payments be? Multiplying Polynomials Calculator - (Middle School/High School) Put in any two polynomials and this calculator will multiply them together and show the steps to get the answer. They arise in many areas of mathematics, including algebra, calculus, analysis and the study of special functions, and across a wide range of scientific and engineering disciplines. You probably already knew that 12 2 = 144, so obviously the square root of 144 must be 12. Then find the 4th root of 108 over A, which is the 4th root of 33. 12 Variables 51 2. Finding Zeros, Roots, Solutions, x-intercepts. All calculators. 501776, which is 2. 3 is a Fibonacci number since 5x3 2 +4 is 49 which is 7 2; 5 is a Fibonacci number since 5x5 2 –4 is 121 which is 11 2; 4 is not a Fibonacci number since neither 5x4 2 +4=84 nor 5x4 2 –4=76 are pefect squares. By graphing the roots of unity on the complex plane, they can be used to generate the vertices of a regular polygon. Your calculator probably has a key marked "x to the y power" in some fashion (I'll write it "x^y"), as well as a key marked "1/x". roots of numbers to hundreds of digits - usually limited by memory. The calculator_sqrt function is a square root calculator that simplifies square roots (radicals) of an algebraic expression. Then, invoking the Intermediate Value Theorem, there is a root in the interval $[-2,-1]$. The Calculator on this page lets you examine this for any G series. Square roots, sure. Make sure that you do not pass 10 as the power. Calculator - using the calculator and functions. Definition of to the nth degree in the Idioms Dictionary. nth root of unity is any complex number such that it gives 1. BYJU’s Online Calculator is tool which will help you to do multiple calculations related to Maths, Physics, Chemistry etc. ) A calculation of the geometric coefficient of variation looks like this. Simplifying Square Roots When not a Perfect Square. Installed Calculator HD, and enjoyed the simple design and the "History" feature. On asking these to my maths teacher , in addition to these he told me that how to take out nth root [if we want to take out 7th root of 128 which is (128)^1/7 =2 ] it can be also done using a simple calculator. means 'the square root of '. Find the Inverse of a Square Root Function Find the Inverse Functions - Calculator Applications and Use of the Inverse Functions Find the Inverse Function - Questions Find the Inverse Function (1) - Tutorial. 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. This means that there is a basic mechanism for taking an approximation to. You should confirm all information before relying on it. If you need to find the power of a number with any real number as an exponent, you can use pow() function. For example, since 2 5 = 32. Nth Root Calculator. Since these are solutions. Find more Mathematics widgets in Wolfram|Alpha. The command for cubing is found under 3:3. Beta Distribution; Binomial Distribution; Normal Distribution; More… Sports. For example, use the square root calculator below to find the square root of 7. Using this sequence calculator. Note that calculators or computers are used for most square root calculations, but knowing how to manually calculate a square root can be quite useful when no calculator is available. Thus, it is sometimes known as the Cauchy root test or Cauchy's radical test. 2 Find roots (zeroes) of : F(x) = x 3-9 Polynomial Roots Calculator is a set of methods aimed at finding values of x for which F(x)=0 Rational Roots Test is one of the above mentioned tools. Press [2nd][x 2] to select a square root and type the expression you would like to evaluate. Byju's Nth Root Calculator is a tool which makes calculations very simple and interesting. Your task is simple enough calculate the Nth digit in the representation of Pi. Radicals and Roots Calculator. I have multiplied 2 arrays in a vba function using mmult. BYJU's Online Calculator is tool which will help you to do multiple calculations related to Maths, Physics, Chemistry etc. The Nth-root Algorithm The Nth-root Algorithm is described on Wikipedia. Note that, for example, the 5th. Multiplying the principal square root by -1 will provide the negative square root if needed. Free Exponent calculator with variable online. For more information on the calculator's keys and basic functions, refer to chapter 2, Getting Started. Table 1-2 Clearing functions. For , the sum of the nth roots of unity is 0. For a series ∑ = ∞. Page CD12-26. Here our calculator is on edge, because square root is not a well defined function on complex number. You can add a scientific keypad to calculate logarithms, a trigonometric keypad to calculate angles, and a fraction keypad to form, add, subtract, divide, and multiply fractions. We can generalise this example as follows:. The HP 6S scientific calculator has one independent memory. WTAMU Math Tutorials and Help. No Download or Signup. Rewrite as exponent 2. For eg, If I want to calculate 3rd root of 125, I press 125 then (yx) then 3 then (+/-) and (=) and it doesnt gives me 5 as an answer. We will also find out the nth root of a number by using the POWER function in Excel 2016. calculator Simplifying Radicals: Finding hidden perfect squares and taking their root. Every positive real number x has a single positive nth root, called the principal nth root, which is written. A complex number z such that z 4=1. Very quick! It will help you to learn arithmetic and algebra! EASY to use: 1) Fill in 2 the fields 2) Click =. The cubed root of 10 is 2. List of Root symbols with html entity, unicode number code. This free root calculator determines the roots of numbers, including common roots such as a square root or a cubed root. Finding the Roots of a Complex Number We can use DeMoivre's Theorem to calculate complex number roots. The Calculator app for Windows 10 is a touch-friendly version of the desktop calculator in previous versions of Windows, and it works on both mobile and desktop devices. To calculate any root of a number use our Nth root calculator. Welcome to MathPortal. The caclulator can easily do x^y. 2, 4, 6, 8, 10, The pattern is easy to see. We call it the square root (literally the answer to the square problem) (root in mathematics means answer). Cube root. square root, cube root, xth root of y 14 Key layout 4 Reset switch/Display pattern 5 Display format and decimal setting function 5-6 Exponent display 6 Angular unit 7 10 to the power of x, common logarithm 15 Binary, pental, octal, decimal, and hexadecimal operations (N-base) 30 e to the power of x, natural logarithm 16. Stay on top of important topics and build connections by joining Wolfram Community groups relevant to your interests. Press [2nd][x 2] to select a square root and type the expression you would like to evaluate. Finding nth roots of Complex Numbers. Free roots calculator - find roots of any function step-by-step. This online calculator is set up specifically to calculate 4th root. com collects software information directly from original developers using software submission form. out: ndarray, None, or tuple of ndarray and None, optional. Free online factoring calculator that factors an algebraic expression. long calculations. The iPhone's stock Calculator app has gotten a bit of press lately for its swipe-to-delete gesture, but it's been a longtime workhorse on the iPhone — in fact, it's been around since the launch of Apple's very first model in 2007. Only those of us who grew up before the appearance of the calculator and have followed its evolution can fully appreciate what it can do. In this program, we are using these two methods of Math class: Math. Very quick! It will help you to learn arithmetic and algebra! EASY to use: 1) Fill in 2 the fields 2) Click =. And there's the answer 9*sqrt(2). 檔名: title_English-050105. For every even-degree root (for example the 2nd, 4th, 6th ) there are two roots. com is going to be the perfect site to head to!. Instruction Manual for Scientific Calculator (32) and then click "Simplify_Radical" nth root: a) Find 3rd root 8 ==> Input 'nth Root (3,8). net dictionary. And in Scientific mode, you can you check the Inv box and then put in your numbers and formula, for example: Check mark in Inv, then 125 x^y button then 3, then = button resulting in 5 (the cube root of 125). If the number you are trying to simplify is greater than 1 and is less than 300 and has an index less than 10 AND it is not in this chart, it doesn't simplify any more (2, 3, 7, 10, and so. It can be used to calculate square roots, cube roots, or any other root to any given precision (or until you run out of memory) of a positive real integer. In mathematics, an nth root of a number x, is a number r which, when raised to the power n yields x. Fortunately, this is pretty simple to do if you can remember a simple mathematical rule: \[\sqrt[N]{X} = {X^{\frac{1}{N}}}\] So, to calculate the 5th root of 100, we simply raise 100 to the 1/5th power. Just insert the inputs of a, b and c values of Quadratic Equation to get the Discriminant value. This video will show you how to calculate roots using your Casio fx-991MS calculator. The th root (or "th radical") of a quantity is a value such that , and therefore is the inverse function to the taking of a power. The case is known as the cube root. To use this button, you'll need to look at your calculator's manual.