✦ Now on the App Store

Your personal
equation toolbox

Store, organize, and solve every equation you'll ever need. Built for students, educators, and professionals.

Download on the App Store Watch demo ↓
Users
Equations saved
Free
To download

Everything in one place

Stop digging through notebooks. Your entire equation library, always in your pocket.

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Store & organize

Save equations with names, variables, units, tags, and notes. Find anything instantly with powerful search.

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Folders by class

Group equations into folders — Physics 101, Calc II, Thermodynamics — exactly how your brain works.

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Solve instantly

Tap any equation to solve for any variable. Plug in your values and get an answer in seconds.

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Beautiful math editor

Type equations the way they look on paper using the built-in WYSIWYG LaTeX editor with a virtual keyboard.

Favorites

Star the equations you use most and jump straight to them from your home screen.

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Share equations

Generate a beautiful card for any equation and share it with classmates or on social media.

See how it works

Get started in under 2 minutes.

Equation Card Equation Card Equation Card Equation Card Equation Card Equation Card Equation Card Equation Card Equation Card Equation Card Equation Card Equation Card Equation Card Equation Card Equation Card Equation Card Equation Card Equation Card Equation Card Equation Card
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Use on your computer too

Access your equations from any browser. Log in with your account and your toolbox syncs automatically across all your devices. No iPhone? Create a free account and use Equation Toolbox entirely on the web.

Log in on web →
Get started

Ready to ditch the notebooks?

Download free on iPhone and start building your equation library today.

Download on the App Store

Not on iPhone? Sign up free and use it in your browser.