Sqr

sqr returns the square root of a number.

Syntax

   sqr(EXPR_NUM)

• EXPR_NUM is a numeric expression.

Examples

   SQR_2=sqr(2)

   # Solves A*X^2+B*X+C=0 with real values
   DET=B*B-4*A*C
   If DET>0
     SOLUTION_1 = (-B +sqr(DET))/(2*A)
     SOLUTION_2 = (-B -sqr(DET))/(2*A)
   Endif

Description

sqr(X) returns the positive number whose square is X.

The type of result is Double.

Associated errors

See also

log, ln.