MATH Keys

MATH Keys

Write equations once. Paste them anywhere.

A free STEM keyboard for formulas, chemistry, and graphs — built for students, teachers, and researchers.

Download Google Extension
MATH Keys equation editor with mint keyboard and the quadratic formula

How it works

Three steps from blank page to polished equation in your document.

01 MATH Keys mint keyboard

Click

Type on your keyboard or tap mint keys for integrals, fractions, matrices, chemistry, and more.

02 Mathfield with quadratic formula and Copy buttons

Copy

Copy as an image for Docs and Slides, or Copy Latex for Overleaf and other editors.

03
Calculus notes

Homework — quadratic formula

After solving for x, paste the equation into your write-up:

Quadratic formula pasted as an image

This image pastes cleanly into Docs, Slides, Word, and more.

Paste

Drop the result into Docs, Slides, Word, Keynote, email, LMS pages, and notes.

One keyboard, six modes

Select a subject to preview the real keyboard.

Tap a subject to preview the real keyboard.

MATH Keys basic mode keyboard

  • Basic

    Trigonometry, operations, calculus, matrices, piecewise, and custom keys.

  • Pure Math

    Number sets, logic, operators — proofs and analysis at hand.

  • Statistics

    Distributions, hypothesis tests, and combinatorics.

  • Physics

    Vectors, nabla, Dirac notation, and constants like ℏ.

  • Chemistry

    Draw structures, then copy as an image or chemfig / mhchem LaTeX.

  • Graphing

    Cartesian, polar, and 3D plots — pan, zoom, export image or TikZ.

Works with

Paste polished equations into the tools you already use.

  • Google Docs
  • Google Slides
  • Microsoft Word
  • PowerPoint
  • Keynote
  • Gmail

Make it yours

Theme, font size, and font color apply to the equation and the image you copy.

MATH Keys in dark mode

Light, dark, or auto

Switch themes from Settings — or follow your system preference automatically.

Settings for font color and font size

Font size & color

Dial the size and pick a swatch or custom color. What you see is exactly what you paste.

Custom buttons with saved LaTeX symbols

Custom buttons

Save any LaTeX as a mint key. The button face renders the symbol — right-click to edit later.

Custom button guide →

Graph in Cartesian, polar, and 3D

Built-in plotting with pan, zoom, increments, and TikZ or image export.

Cartesian graph of functions in MATH Keys
2D Cartesian
Polar rose curve graphed in MATH Keys
Polar
3D surface graph in MATH Keys
3D

Everything in one popup

History, saved equations, matrices, piecewise, chemistry export, undo/redo — plus font size and color controls — a full STEM workspace.

  • Copy image or LaTeX
  • Font size & color
  • History & saved equations
  • Matrices & piecewise
  • Chemistry canvas
  • Undo / redo