How to Use Nitrax Mathematical Keyboard with Notepad++

Writing a technical note in Notepad++ and need a √ in the middle of a sentence? Nitrax Mathematical Keyboard is a compact physical keyboard with letters and mathematical, Greek and scientific symbols printed on its keys.

After Windows setup, key combinations enter the symbols from the blue and gray printed layers directly into your text. Keep writing your explanation instead of looking elsewhere for a symbol to copy.

Put your first symbol in a text file

Connect the keyboard, install the Nitrax Mathematical Keyboard app from Microsoft Store and keep Math Mode on to enable the printed symbols. Follow the Windows setup guide if this is your first use.

Open a new, empty Notepad++ document. Choose Encoding > UTF-8, click in the editing area and try these combinations:

Press on the physical keyboardText inserted
Left Ctrl + Left Alt + T√
Left Ctrl + Left Alt + Shift + J∫

Use the left Ctrl and Alt keys. The blue symbols use both modifiers; the gray symbols add Shift.

For a simple input check, try math symbols in Windows Notepad.

Physical math keyboard diagonal view

Keep the symbols when you save and share

UTF-8 stores Unicode characters, including math symbols and Greek letters. Make a small test file before adding them to an important document.

  1. Type: add Root: √9 = 3 to your new UTF-8 document.
  2. Save: use a name such as math-notes.txt.
  3. Reopen: close the tab, reopen the file and check that √ remains readable.

For an existing file that already displays correctly, Encoding > Convert to UTF-8 changes its storage encoding while retaining the characters. Simply selecting UTF-8 changes how existing bytes are interpreted; it is a different action. Keep a copy before converting.

When sharing the file, check that the receiving editor or tool reads UTF-8 and displays your symbols.

Write notation for the person reading it

Illustrative technical note

Root: √9 = 3
Integral: ∫ f(x) dx
Notation: indefinite integral

Illustrative code comment

// Use √x when describing the square root.

These are human-readable text examples. Comment syntax depends on your programming language, and mathematical symbols do not automatically become executable operators.

Notepad++ stores the notation as text. It does not arrange stacked fractions or typeset the integral; use an equation editor or LaTeX workflow when you need that layout.

Nitrax Mathematical Keyboard showing mathematical symbols printed on its keys

Keep math symbols beside the words you type

If Notepad++ is where you draft technical notes, comments or explanations, Nitrax Mathematical Keyboard gives you printed symbols to reach for on the same physical keyboard. Choose it for repeated symbol entry in your everyday writing.

Buy now

Published by the maker of Nitrax Mathematical Keyboard.