Remote Processing BASIC for the CX-10 Modbus - Manual (Page 75)

BASIC PROGRAMMING GUIDE
2-66
SQR
Syntax: SQR(expr)
Where: expr is any valid mathematical expression, number, or variable greater than 0
Function: Returns a positive square root.
Mode: Command, run
Use: PRINT SQR(A)
DESCRIPTION
expr must be positive. Any calculation is accurate to ±5 least significant digits.
ERRORS
ARITH. UNDERFLOW expr or result is less than BASIC-52's smallest floating point value of ± 1E-127
ARITH. OVERFLOW
expr or result is greater than BASIC-52's largest floating point value of
±.99999999E+127
BAD ARGUMENT Attempt to take SQR() of a negative number
EXAMPLE
100 FOR N = 1 to 10
110 A=SQR(N)**2
120 IF (A-N)<>0 THEN PRINT A,N
130 NEXT
>run
2.0000001 2
2.9999999 3
5.0000001 5
6.0000002 6
6.9999999 7
7.9999998 8