Use up to 4 side-by-side calendars to record your todo\'s. You can assign 4 categories or topics and view them simultaneously. You can use all the full text editing features for all entries. To add more todo\'s, use the \"insert row\" option. Color cells, fonts, and insert icons or small animations. You can position the cursor next to the word \"topic\" and hit the \"delete column\" twice to remove a todo calendar.