**bomboniere**in the calculation field I want a Digit sum

In mathematics, the

**digit sum**of a given integer is the sum of all its digits (e.g. the digit sum of 84001 is calculated as 8+4+0+0+1 = 13)- JotForm Support
**ashwin_d**Hello bomboniere,

Unfortunately it is currently not possible to use digitsum() function in form calculator and is not supported. You can only use the listed functions. Please check the screenshot below:

I am creating a feature request ticket and sending it to our back end team. We will get back to you as soon as we have any update from them.

Thank you!