VAL Function

VAL(string-expression)

Converts a string containing a number into an integer value. The string may contain digits 0–9 and an optional leading + or -.

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Examples

PRINT VAL("1234")

Produces 1234.

PRINT VAL("-42")

Produces -42.

REM Convert user input
INPUT "Enter a number > " ; n$
x = VAL(n$)
PRINT "You entered "; x

REM Strings that are not numbers
PRINT VAL("hello")

Produces 0.

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Notes

• Returns a 64-bit signed integer.
• If the string is empty or contains invalid characters, the return value is 0.
• Only integer values are supported — fractional values are truncated or treated as invalid.
• For parsing hexadecimal or octal strings, see HEXVAL and OCTVAL.

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See also: STR$ · HEXVAL · OCTVAL · RADIX