Nitrax Mathematical Keyboard vs Obsidian

Writing a waves note in Obsidian? Define wavelength with λ in the sentence, connect it to another note, then add a formatted equation where it helps the explanation.

Nitrax Mathematical Keyboard is a compact physical computer keyboard with mathematical, Greek and scientific symbols printed on its keys. After setup, key combinations enter symbols from the blue and gray printed layers. Keep your Obsidian notes; add a physical way to type their mathematical vocabulary.

One note, two ways to write math

Use direct characters for a definition or reminder. Use Obsidian’s math notation when an expression needs mathematical formatting.

Illustrative Obsidian note content

Linked topic

See [[Waves]] for the full explanation.

Ordinary text with a Greek letter

The wavelength λ is the distance between successive crests.

λ

The λ character sits directly in the sentence.

Native inline math

$v = f\lambda$
v=fλ

Obsidian uses MathJax to display this as a mathematical expression.

In its official documentation, Obsidian explains linked-note syntax and MathJax expressions. A single pair of dollar signs encloses inline math; double dollar signs enclose a separate math block.

Nitrax Mathematical Keyboard showing mathematical symbols printed on its keys

Choose by what you write most often

How the keyboard fits an Obsidian workflow
Your taskUseful approach
Greek letters and relations inside explanationsNitrax Math Keyboard enters symbol characters through its printed keys.
Fractions, matrices or multi-line derivationsWrite MathJax expressions in Obsidian using LaTeX notation.
Connecting a definition to another noteUse Obsidian’s internal links.
Writing the same symbols in other appsThe physical keyboard can also serve supported everyday text fields.

The keyboard enters characters. Obsidian organizes the notes and renders supported math expressions; structured equations still need their notation.

Keep the note system you already use

If your notes mix explanations with recurring mathematical symbols, printed symbol keys give you a reference at your fingertips. On Nitrax Math Keyboard, λ is printed in gray on the L key; its key combination enters the character into your text.

Obsidian includes basic MathJax support without an additional plugin. Keep it for structured formulas and use the keyboard for the symbols in surrounding explanations.

Check the companion setup for your computer before buying. Symbol display depends on the application and font.

Put math symbols within reach of your notes

Choose Nitrax Mathematical Keyboard for the Greek letters and scientific symbols you keep adding to explanations. Keep Obsidian for the links and formulas that give those notes structure.

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Published by the maker of Nitrax Mathematical Keyboard.