| System Functions |
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| Format | ABS(num[,ERR=stmtref]) Where: |
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| num | Numeric expression whose absolute value is to be returned. | |
| stmtref Program line number or statement label to which to transfer control. |
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| Returns | Numeric, absolute value of expression. Always positive or zero. | |
| Description | The ABS( ) function returns the absolute value of the numeric expression num. The value returned is a positive numeric value or zero. For instance, the absolute value of the numeric expression (X) is returned as follows: • ABS (X) ... If X>0 ... Returns X • ABS (X) ... If X<0 ... Returns X * -1 (positive result) • ABS (X) ... If X=0 ... Returns X (zero). |
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| Examples | 0010 INPUT "Give me your first number ",X 0020 INPUT "Give me another one ",Y 0030 PRINT "The difference is ",ABS(X-Y) -:RUN Give me your first number 12.345 Give me another one 23.456 The difference is 11.111 |
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