How to continue working on computer despite your faulty mouse

CTRL A select all
CTRL B Bold
CTRL C Copy
CTRL D Fill Down Cell
CTRL E Centre Alignment.
CTRL F find
CTRL G go to current
CTRL H Replace
CTRL I Italic
CTRL J Full Justification.
CTRL K Create Hyperlink
CTRL L Left Alignment
CTRL M Tab
CTRL N new page
CTRL O Open
CTRL P Print
CTRL R Fill Right Cell
CTRL S Save
CTRL U Underline
CTRL V Paste
CTRL X Cut
CTRL Y Redo
CTRL Z Undo