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Mega Calculator Pro
Free Windows calculator with a built-in math learning hub
A Windows calculator that teaches you math. Most calculators just give answers. Mega Calculator Pro explains the math behind them. Why it's different: Learning Hub – Search any math topic and get explanations All-in-One – Scientific functions, memory, history, unit converter, dark mode Free & Open-Source – No ads, no paywalls Who it's for: Students, engineers, and lifelong learners.
Hey Product Hunt! 👋
I'm Christian, the maker behind Mega Calculator Pro. I built this because I wanted a calculator that actually helps people learn math - not just compute numbers.
What it does:
🧮 Advanced calculations (scientific functions, memory, history)
📚 Built-in learning hub with 6 math topics (Algebra, Geometry, Calculus, Trigonometry, Statistics, Probability)
🌙 Dark mode
🔁 Unit converter
💻 100% free and open-source
Why I built it:
Most calculators are just tools - you punch in numbers and get a result. I wanted to create something that also teaches you why the math works. So I added a learning hub with explanations and examples.
What I'm most proud of:
The Learning Hub actually works - you can search any math topic and get explanations
It's fully functional on Windows 7 through 11
Big number support (millions, billions, scientific notation)
What I'd love from you:
Feature requests
Bug reports
Design feedback
Ideas for the Pro version
Download: [https://github.com/codewithchris...]
I'll be here all day—ask me anything! 🙏
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About Mega Calculator Pro on Product Hunt
“Free Windows calculator with a built-in math learning hub”
Mega Calculator Pro was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #60 on the daily leaderboard. A Windows calculator that teaches you math. Most calculators just give answers. Mega Calculator Pro explains the math behind them. Why it's different: Learning Hub – Search any math topic and get explanations All-in-One – Scientific functions, memory, history, unit converter, dark mode Free & Open-Source – No ads, no paywalls Who it's for: Students, engineers, and lifelong learners.
Mega Calculator Pro was featured in Open Source (68.8k followers), Education (79.1k followers), Developer Tools (518.8k followers) and GitHub (41.4k followers) on Product Hunt. Together, these topics include over 158.9k products, making this a competitive space to launch in.
Who hunted Mega Calculator Pro?
Mega Calculator Pro was hunted by Christian Olumba. 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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Christian Olumba