Category Finance

Computes the future value of an investment with compound interest, supporting five compounding frequencies (annual through daily) and an optional recurring monthly contribution. The result panel includes a three-segment visual bar showing the proportion of principal, contributions, and earned interest…

Calculates final price after applying a percentage discount, with an optional additional tax or fee rate applied on top of the discounted price. Displays a four-cell summary showing how much you save, the raw discount amount, the after-discount subtotal, and…