Calculate compound interest, and all variables involved in compound interest - principle, future value and time

Calculate repayments of annuties
Calculate present value annuties
Present Value annuties due
Future Value annuities
Future Value annuities due

Calculate repayments of ammortisation
Total interest paid on loans
Balance (payout figures) of loans

Adding, subtracting and multiplying matrices
Find determinant of 2x2 and 3x3 matrices
Using Cramers Rule to solve simultaneous equations

Maximising Profits
Determining prices for maximum profit
Determining quantities for maximum profit
Break-Even analysis business questions
Linear programming business questions