SQR
Square Root
This numeric function returns the square root of a positive number.
Syntax
Section titled “Syntax”SQR (numeric-value [,ERR=line-ref|,ERC=error-code])numeric-value- is any positive number.
line-ref- is the program line number or label to branch to if an error is produced by this function.
error-code- is a programmer-defined error code. Valid values are positive or negative whole numbers.
Remarks
Section titled “Remarks”If an attempt is made to use a negative numeric-value, an ERR=40 results.
Examples
Section titled “Examples”SQR (25)The result is 5.
LET Y = SQR (A*3+B)If A=2 and B=7, Y is assigned the value 3.61.
SQR (.40)The result is 0.63.
These examples assume PRECISION 2.
From the Thoroughbred Basic Language Reference, Volume III: R–Z, version 8.9.1. Open this page in the PDF