Tool to compute and simplify a square root. The square root for a number N, is the number noted sqrt(N) that, multiplied by itself, equals N.
Square Root - dCode
Tag(s) : Symbolic Computation, Functions
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Square Root
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Batch Square Root Computation
Tool to compute and simplify a square root. The square root for a number N, is the number noted sqrt(N) that, multiplied by itself, equals N.
Answers to Questions
How to calculate a square root?
The dCode square root calculator allows both positive or negative numbers (thus having complex roots) and returns answers with an exact value or an approximate value (the precision can be adjusted by defining a minimum number of significant digits)
Example: $ \sqrt{4} = 2 $ and $ \sqrt{-1} = i $
How to write a square root?
In Unicode format there is the character √ (U+221A).
In computer formulas, sqrt() function is most often used.
Terms root, radix ou radicand sont équivalents.
What doest sqrt means?
The word sqrt is generally used in the formula to indicate a square root, the word comes from the contraction of square root.
Example: sqrt(2) = $ \sqrt{2} $
What is a square number?
A square number is the square of an integer.
Example: $ 3 $ is an integer, $ 3^2 = 3 \times 3 = 9 $ then $ 9 $ is a square number.
If the square root of a number $ x $ is an integer, then $ x $ is a square number.
Source code
dCode retains ownership of the online 'Square Root' tool source code. Except explicit open source licence (indicated CC / Creative Commons / free), any algorithm, applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or any function (convert, solve, decrypt / encrypt, decipher / cipher, decode / encode, translate) written in any informatic language (PHP, Java, C#, Python, Javascript, Matlab, etc.) no data, script or API access will be for free, same for Square Root download for offline use on PC, tablet, iPhone or Android !
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