ISNUMBER

Returns TRUE if a value is a number.

How it’s written

ISNUMBER(value)

Example

A
1Amount
2n/a
=ISNUMBER(A2)

Result: FALSE

n/a is text, so the result is FALSE.

Try it yourself

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Worth knowing

Good for finding text hiding in a number column.

Practice it properly

Handling errors and gaps gives you real tasks, with your formulas tested on data you haven’t seen.

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