PEPO Math – Calculator, Graphing & Unit Converter

Quick calculator with history, unit converter, graphing with sliders, school formulas, finance, stats and sound — in the side panel.

PEPO Math – Don't just calculate it. See it. A fast calculator, graphing tool and unit converter that lives in Chrome's side panel. Type a sum the way you'd say it, see any formula as a graph, and keep every answer on a paper tape. Everything runs on your device — no account, no tracking, works offline. 🚀 Key Features 🧮 Quick sums with a paper tape Type 1250 – 18%, rent = 1450 or ans / 3 and press Enter. Results stay on the tape; pin the important ones and add notes. 📏 Unit converter 14 groups: length, mass, temperature, area, volume, speed, time, data, energy, power, pressure, force, angle and frequency. Or just type 5 km to mi, 72 °F to °C or 3 h + 20 min. 📅 Date maths today + 45 days, days until 25.12.2026, next friday. 📐 School formulas Algebra (quadratic, Pythagoras, slope, percentages, interest), 2D and 3D shapes (area, perimeter, volume, surface) and 21 physics formulas. Fill in the values, get the answer. 📈 Graphing with sliders Type y = a sin(b x) and drag the sliders, or press Play all to animate them. Roots, peaks and crossings on tap. Draw a curve and get its formula. A library of ready-made formulas from school maths to physics. 💰 Finance Loans and mortgages, compound growth, CAGR, break-even, savings goals, debt payoff and freelance rates — compare scenarios side by side in your currency. 📊 Statistics Paste a table or use a template (portfolio, expenses, grades, weight, sales). Get charts and plain-language insights: change, best and worst period, drawdown, averages. 🎵 Hear the maths Turn any curve into a sound, a wave shape or a melody. Play instruments with your keyboard, record and export MIDI or WAV. ⚡ Always at hand Right-click any number on a page → "Calculate with PEPO Math". Type calc in the address bar for instant answers. Alt+Shift+M opens it. 💡 Why PEPO Math? One tool instead of five tabs Answers as you type Private: nothing leaves your computer Free, no ads, no sign-up Light and dark mode 🌐 About PEPO PEPO builds tools that combine creativity, technology and community. Website: https://pepo.fun X: https://x.com/pepo_is_fun Discord: https://discord.com/invite/7rkEDDgYTB