Have you ever wanted if you could execute a simple calculation on the Confluence table?
This addon provides macros which give calculation power as a spreadsheet to Confluence table.
Only to add the macro which written sum function to your existing table will release you from typing a calculator.
More than 300 formulas
Format specifications similar to Excel
Sheet reference between sheets on a page
A quick edit and displaying sheet/row/column tags on the view screen
Import Excel sheets (beta)