How can I add, subtract, multiply a row, column or all the cells with a value that I insert?

Getting help Questions
1

I have to insert a value that adds up, subtract in all the cells or by column or row or cells selected, please help

2

Hey @vasronald_200

To add any value after loading data you can use setDataAtCell method. But to help more I’d need to get an example of input/output data.