Math Keyboard - Formula Input

Struggling to type math symbols on your phone?
Math Keyboard is a custom keyboard that lets you input the symbols, Greek letters, superscripts, subscripts, and more commonly used in math and physics — directly from your keyboard.
No more searching the web every time just to copy a symbol. From class notes and reports to chats and memos, type math expressions smoothly in any app.
【Key Features】

Superscript / subscript for numbers, letters, and symbols
Full Greek alphabet support
Rich set of math symbols (basic)
Custom keyboard support

【Highlights】

Same look and feel as the standard keyboard
Shift key to toggle superscript / subscript (or uppercase / lowercase)
Easy tab switching within the keyboard
Long-press the Space key to move the cursor
Add and reorder categories

【About Pro】
The free version has limited categories. Upgrade to Pro to unlock all categories, including:

Standard alphabet
Advanced math symbols (calculus)
Arrows
Logic & sets
Custom keyboard

You can also switch the alphabet display style between italic and regular.
※ This in-app purchase is a one-time payment.
※ To use this keyboard, you need to add it and enable "Allow Full Access" in the Settings app. (We do not collect any of your input — your privacy is fully protected.)