# Numbers and Math

Work out totals, remainders and powers with JavaScript's arithmetic operators, in the order JavaScript does, and round money so it shows as dollars and cents.

![Cheat sheet: Numbers and Math](https://fsdtrainingmedia.blob.core.windows.net/public/images/2026/10/010dc2ed541e4510bc68140c47eeaeb7.webp)

- Category: JavaScript
- Level: Novice
- Tags: Arithmetic Operators (javascript), Floating-Point Number (javascript), JavaScript, Math Object, Number (javascript), Operator Precedence (javascript), Remainder Operator (javascript)
- Updated: November 1, 2026

Source: https://www.ask-codey.com/cheat-sheets/javascript-numbers-and-math-cheat-sheet