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Purr Math Keyboard
Real math formulas by name, no LaTeX. Great for asking AI
Most math input methods make you pick: a symbol-packed keyboard, or learning LaTeX from scratch. Purr Math Keyboard just needs the name — type "fraction" or "integral" and tap to insert a real formula (fractions, exponents, nested roots, integrals, limits). Tap Send and it drops into whatever you're typing — chat, notes, or AI chatbots. Great for asking ChatGPT a math question: it reads the formula image directly, no LaTeX needed. A real math keyboard, fully offline. Free on Google Play.
I kept running into the same problem — typing math on mobile means either hunting through a keyboard packed with symbol keys, or learning LaTeX syntax just to type a fraction. Neither felt right for something I wanted to do casually, in the middle of a chat.
So I built an IME where you just type the name of what you want ("fraction", "integral") and tap a suggestion to insert a real rendered formula — no symbols to hunt for, no syntax to learn.
The part I didn't expect: it turned out to be genuinely useful for asking AI chatbots math questions. I type a formula, hit Send into ChatGPT, and it reads the image directly and solves it — no LaTeX typing needed on either end.
Still rough around the edges (conditional/piecewise functions need work), but the core experience is solid. Would love to hear what you think!
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About Purr Math Keyboard on Product Hunt
“Real math formulas by name, no LaTeX. Great for asking AI”
Purr Math Keyboard was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #275 on the daily leaderboard. Most math input methods make you pick: a symbol-packed keyboard, or learning LaTeX from scratch. Purr Math Keyboard just needs the name — type "fraction" or "integral" and tap to insert a real formula (fractions, exponents, nested roots, integrals, limits). Tap Send and it drops into whatever you're typing — chat, notes, or AI chatbots. Great for asking ChatGPT a math question: it reads the formula image directly, no LaTeX needed. A real math keyboard, fully offline. Free on Google Play.
Purr Math Keyboard was featured in Android (57.7k followers), Education (79.4k followers) and Science (1.4k followers) on Product Hunt. Together, these topics include over 85.9k products, making this a competitive space to launch in.
Who hunted Purr Math Keyboard?
Purr Math Keyboard was hunted by Hakmin Lee. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Hakmin Lee