Absolute value function.
returns the absolute value of n
Any number. Can be specified as a value, a variable, or an expression. The expression is evaluated, and the result converted to a positive value. Multiple plus and minus signs are permitted. Leading and trailing zeros are deleted.
The following example returns the absolute value of the number you supply:
READ "Input a number: ",num
WRITE "The absolute value of ",num," is ",abs
Content Date/Time: 2019-04-23 13:43:22