|sqrt||square root function|
|Syntax|| sqrt ( r : real ) : real|
|Description|| The sqrt function is used to find the square root of a number. For example, sqrt (4) is 2.|
|Example|| This program prints out the square roots of 1, 2, 3, … up to 100.|
for i : 1 .. 100 put "Square root of ", i, " is ", sqrt ( i ) end for
|Details|| It is illegal to try to take the square root of a negative number. The result of sqrt is always positive or zero.|
The opposite of a square root is the square. For example, the square of x is written is x**2.
|See also|| See also predefined unit Math.|