Just for my school lol I spent like 3 hours on this :P Press r to reset, and s to setup. Press a to add an entry, and r to remove an entry. You need to know your category percentages Example: Knowledge: 25% Thinking: 20% Application: 15% Communication: 10% Final 30: 30% The weight factor is a numeric value like 2.5 The mark is also a numeric value like 99 The section is from your defined categories. After entering a value, the overall will change.