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Nabla
Duolingo for university math, checked by a real CAS
Short daily practice for Calculus I and II, Multivariable, Differential Equations, Linear Algebra and Probability. Every answer is verified by SymPy, a computer algebra system, never guessed by an AI. Wrong options are real student mistakes (we catalogued 745 of them), so when you miss, Nabla tells you exactly which mistake you made. Exam Mode, streaks, a daily plan from your exam date and a formula widget. Free on iOS and Android.
Hi Product Hunt! I'm Hamza, an engineering student. Calculus nearly broke me, not because the ideas were hard but because I kept making the same small mistakes under time pressure: forgetting the chain rule's inside, dropping +C, flipping the quotient rule sign.
Nabla drills university math one question at a time. Two rules I refused to break:
1. An AI never decides if you're right. SymPy, a computer algebra system, does.
2. Every wrong option is a real mistake students make, so the feedback tells you exactly what went wrong.
It's free to start on iOS and Android. I'd love to hear what you'd want next: more courses, a web version, or class leagues?
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About Nabla on Product Hunt
“Duolingo for university math, checked by a real CAS”
Nabla was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #142 on the daily leaderboard. Short daily practice for Calculus I and II, Multivariable, Differential Equations, Linear Algebra and Probability. Every answer is verified by SymPy, a computer algebra system, never guessed by an AI. Wrong options are real student mistakes (we catalogued 745 of them), so when you miss, Nabla tells you exactly which mistake you made. Exam Mode, streaks, a daily plan from your exam date and a formula widget. Free on iOS and Android.
Nabla was featured in Android (57.7k followers), Education (79.4k followers) and Online Learning (3.7k followers) on Product Hunt. Together, these topics include over 91.5k products, making this a competitive space to launch in.
Who hunted Nabla?
Nabla was hunted by Hamza Çakmak. 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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Hamza Çakmak