How to use math functions in Form Calculation widget.

on my form I have a number field where any value may be input. Let's call the field name "number"

Next - I have the calculation widget.

What do I input into the calculation widget to get the log10 for the value input?

If you are looking to use math functions, please follow this guide: https://www.jotform.com/help/267-Form-Calculation-Math-Function-Reference 

Let us know if you have more questions.