Question

A cell entry other then a minute value or a formula.

a) Text b) Label c) Characters​

Answer 1

Use the ISNUMBER function to check if a value is a number. ISNUMBER will return TRUE when value is numeric and FALSE when not. For example, =ISNUMBER(A1) will return TRUE if A1 contains a number or a formula that returns a numeric value. If A1 contains text, ISNUMBER will return FALSE.