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VAL
Chapter 2 Program Instructions
Field of Application Function returning the numeric representation of a string expression.
Syntax VAL()
is the string expression from which the numeric representation
will be returned.
Remarks VAL is the complementary function for STR$.
VAL ignores space characters from the argument string to determine the
result.
If the first character in the string expression is anything else but a digit, a plus
sign, or a minus sign, the VAL function returns the value 0.
Example In this example, the values of the string variables A$ and B$ are read and
assigned to the numeric variables A% and B%:
10 A$="123, MAIN STREET"
20 A%=VAL(A$)
30 B$="PHONE 123456"
40 B%=VAL(B$)
50 PRINT A$
60 PRINT A%
70 PRINT B$
80
RUN
PRINT B%
123, MAIN STREET
123
PHONE 123456
0
yields:
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