Compare all three

Best Keyboard for Equations

You need to insert a math symbol, so you leave your document, search Google for one, then copy and paste it back. Or you use the mouse to find symbols in Word or Google Docs menus. Repeating this gets tedious. A dedicated physical math keyboard puts printed symbols on its keys so you can type them into your document.

We compared Nitrax Mathematical Keyboard, Mathpad and ArithmeType for everyday writing. Spoiler: our clear winner is Nitrax Mathematical Keyboard. Familiar letters and printed math symbols on one keyboard make it easy to get started.

Our pick for everyday math writing

See √ before you type it.

Nitrax Mathematical Keyboard showing mathematical symbols printed on its keys
Mathpad mathematical keypad with labeled symbol keys
For flexible output

Mathpad

Add a symbol pad with text and equation modes.

ArithmeType Math Keyboard with dedicated math keys visible
For a guided math layout

ArithmeType Math Keyboard

Add a math keyboard with removable learning covers.

Published by the maker of Nitrax Mathematical Keyboard.

Compare three physical options for typing equations and symbols: Nitrax Mathematical Keyboard, Mathpad and ArithmeType. See setup and everyday writing fit.

See the differences at a glance

Watch Gabe type

Our editorial scores for writing words and math together, based on documented features. More stars mean a better fit for this use.

CriterionNitrax Mathematical KeyboardOur winnerMathpadArithmeType Math Keyboard
Learning curve5 out of 5 stars.Familiar letters; printed symbols guide combinations that need learning.1 out of 5 stars.Six symbol positions per key, plus mode controls.3 out of 5 stars.New math layout; removable covers help you learn.
Words and math together5 out of 5 stars.Letters and math symbols on the same keyboard.2 out of 5 stars.Words on your keyboard; symbols on this extra pad.2 out of 5 stars.Words on your keyboard; symbols on this second keyboard.
Connection options5 out of 5 stars.Bluetooth or USB receiver. USB-C is charging only.3 out of 5 stars.USB-C cable connection.3 out of 5 stars.USB-A cable connection.
One-device workspace5 out of 5 stars.One keyboard for ordinary typing and math symbols.2 out of 5 stars.Extra symbol pad alongside your regular keyboard.2 out of 5 stars.Separate math keyboard alongside your regular keyboard.
Listed US price before tax and shipping5 out of 5 stars.$39.99 listed price.3 out of 5 stars.$115 listed price.1 out of 5 stars.$299 listed price.
Battery and power5 out of 5 stars.Rechargeable battery; about 70 hours of typical use.3 out of 5 stars.Powered through its USB-C cable.3 out of 5 stars.Powered through its USB-A cable.
Connection accessories5 out of 5 stars.USB-A receiver included.2 out of 5 stars.USB-C cable not included.5 out of 5 stars.USB-A cable built in.
Printed symbol reference5 out of 5 stars.Math symbols printed beside familiar letter keys.5 out of 5 stars.Six printed symbol positions on each key.5 out of 5 stars.Printed symbols with removable learning covers.
Word and Google Docs5 out of 5 stars.Word and Google Docs after software setup.5 out of 5 stars.Word and Google Docs after input setup.5 out of 5 stars.Word and Google Docs after input setup.

See a symbol land in Word

Gabe shows Nitrax Mathematical Keyboard in 2 minutes. We provided his keyboard for this presentation; it is not an independent comparison.

  1. Spot the symbol printed on the key.
  2. Press its blue or gray layer combination.
  3. Continue the sentence in Word.

From key to character

TLeft Ctrl + Left Alt + T√

On Windows, turn on Math Mode first. Word’s equation tools still handle stacked fractions and aligned equations.

Use the current Windows or macOS quick-start guide for installation and first-symbol steps. Windows guide · macOS guide

Nitrax Mathematical Keyboard with mathematical symbols printed on its keys

Spend less time looking for math symbols

Write words and math together with Nitrax Mathematical Keyboard, a compact physical keyboard with mathematical, Greek and scientific symbols printed on the keys. After setup, use the blue and gray key combinations to keep writing.

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Before you choose

Does Nitrax Mathematical Keyboard need software?

Ordinary typing works as a keyboard. Printed math layers need the Microsoft Store app on Windows, or the macOS 15+ companion with Karabiner-Elements. Enable Math Mode for symbols. Check installation access on a school-managed computer.

Will symbols work in Word and other writing apps?

Nitrax Mathematical Keyboard is designed for text fields, including Word and Google Docs, after setup. Each symbol depends on the app, field and font. Check the characters you use most.

Can a math keyboard format a full equation?

Nitrax Mathematical Keyboard enters editable characters such as √ and ∫. Stacked fractions, matrices and aligned steps need an equation editor or typesetting tool. The keyboard does not calculate answers.

Ready to write words and math together?

If you write words beside symbols, check the printed layout and your computer’s setup, then review Nitrax Mathematical Keyboard purchase options.

See purchase options