Formula tab
The Formula tab allows to easily work with all functions.
Online Spreadsheet Editor window:

Desktop Spreadsheet Editor window:

Using this tab, you can:
- insert functions using the Insert Function dialog window,
- quickly access Autosum formulas,
- access 10 recently used formulas,
- work with formulas classified into categories,
- use the calculation options: calculate the entire workbook, or the current worksheet only.