Mathbox

About

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.