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calc84.online
Free TI-84 & TI-30XS calculator in your browser
calc84.online is a free in-browser TI-84 Plus CE graphing calculator for students preparing for SAT, AP, and IB exams — no download, no account, no install. What's included: - TI-84 Plus CE emulator (full graphing calculator) - TI-30XS MultiView emulator (SAT/ACT/AP/IB approved) - Error fix guides: Validating OS loop, graph not showing, TI Connect CE issues - AP Statistics guides: normalcdf, invNorm, LinReg, hypothesis testing - Embeddable iframe for teachers and tutoring websites
Top comment
Hey PH! 👋 I built this because students kept showing up to AP exams unfamiliar with their TI-84. The calculator is expensive (~$100+), easy to forget at home, and hard to practice with outside of class. calc84.online runs the full TI-84 Plus CE in the browser using the open-source ading2210/ti84pce-html5 (MIT license). I also built a TI-30XS MultiView emulator from scratch for students who use the more affordable scientific calculator option. The error fix guides came from analyzing 100+ Reddit posts about TI-84 problems — turns out "Validating OS" and "graph not showing" are the two most common issues with almost no good fixes online. Would love feedback from teachers or students who use graphing calculators regularly!
About calc84.online on Product Hunt
“Free TI-84 & TI-30XS calculator in your browser”
calc84.online was submitted on Product Hunt and earned 4 upvotes and 4 comments, placing #96 on the daily leaderboard. calc84.online is a free in-browser TI-84 Plus CE graphing calculator for students preparing for SAT, AP, and IB exams — no download, no account, no install. What's included: - TI-84 Plus CE emulator (full graphing calculator) - TI-30XS MultiView emulator (SAT/ACT/AP/IB approved) - Error fix guides: Validating OS loop, graph not showing, TI Connect CE issues - AP Statistics guides: normalcdf, invNorm, LinReg, hypothesis testing - Embeddable iframe for teachers and tutoring websites
On the analytics side, calc84.online competes within Education — topics that collectively have 78.8k followers on Product Hunt. The dashboard above tracks how calc84.online performed against the three products that launched closest to it on the same day.
Who hunted calc84.online?
calc84.online was hunted by Rose. 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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