Michael A. Levin
Excel remains a powerful software. Most people do not expect you to know every subcommand. This page offers tips and suggestions related to Excel.
provides formulae for accounting functions.
gives example code related to IF, Search, and Range functions. Plus, it incorporates good CRAP design.
contains step-by-step instructions for conducting 1-way or single factor ANOVA along with post-hoc analysis.
These websites are devoted to Excel:
Specific pages include good examples on:
Add arrows to lines
Classification of chart types
Create data tables