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ISNUMBER

b = ISNUMBER (x)

Home > Reference > Data

Returns true if x is a number or can be converted to a number.

Example

print ISNUMBER(12)          ' Output 1
print ISNUMBER("12")        ' Output 1
print ISNUMBER("12E+2")     ' Output 1
print ISNUMBER("abc")       ' Output 0
print ISNUMBER("1+2")       ' Output 0
print ISNUMBER("int(2.4)")  ' Output 0

Code samples using ISNUMBER

base64.bas calc.bas save as.bas TinyBASIC.bas

Data

APPEND ARRAY DATA DELETE DIM EMPTY ERASE INSERT ISARRAY ISDIR ISFILE ISLINK ISMAP ISNUMBER ISSTRING LBOUND LEN READ REDIM RESTORE SEARCH SORT SWAP UBOUND

This page was last edited on Fri, 21 Apr 2023 10:48:20 +0200 | Markdown processed with pandoc 3.1.12.1

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