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VAL( s$ )
VAL(stringExpression)
Description:
This function returns a numeric value for stringExpression if stringExpression represents a valid numeric value or if it begins with a valid numeric value. If not, then zero is returned.
Usage:
print 2 * val("3.14") Produces: 6.28
print val("hello") Produces: 0
print val("3 blind mice") Produces: 3
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