Mathbox

Calculator and converter tools all in one place.

Mathbox - Calculator and Converter Toolkit is a Fast popup toolkit with calculator, unit converter, ratio math, and essential electrical calculators for daily work. Mathbox gives you practical math and electronics tools in one clean popup, so you can calculate faster without opening extra tabs. Built for students, makers, engineers, and everyday users, it combines common calculators and converters into a simple, quick-access panel. What you can do: Use a standard calculator for quick arithmetic Convert units across multiple categories Solve and simplify ratios Calculate values with Ohm’s Law Find voltage from known power/current/resistance inputs Size resistors from supply voltage, target voltage, and load current Compare battery pack behavior in series and parallel setups Open built-in help for each tool with clear usage and formula guidance WHY? All tools in one extension popup Fast and lightweight workflow Beginner-friendly labels and guided help Useful for homework, lab work, electronics projects, and daily calculations Permissions Storage: Used only to support extension settings/preferences locally. Privacy Bunny Mathbox does not sell your data and does not use your data for advertising. Data stays local to the extension unless explicitly required by platform policies.