Remote Processing CAMBASIC - Manual (Page 34)

Comm ands - 1
ABS
Numeric Fun ction
SYNTAX: n = ABS(m)
PURPOSE: To return the absolute value of the expression m.
REMARK S: The absolute value of a number is always positive or zero.
RELATED: none
EXAMPLE: PRINT ABS(7)
7
PRINT ABS(–7)
7
Error: none