Finance
Interest, loans, savings, and planning tools.
Compound interest calculator
Compute compound interest final amount (A = P·(1 + r/n)^(n·t)).
Loan payment calculator
Compute monthly payment, total payment, and total interest for a fixed-rate amortizing loan.
Percent change calculator
Compute absolute and percent change between an old value and a new value.
Simple interest calculator
Compute simple interest and final amount (A = P·(1 + r·t)).