Smart Calculator Pro

Smart Calculator Pro is the all-in-one calculator app that handles everything from quick everyday sums to advanced scientific formulas — fast, accurate, and completely free. Whether you're splitting a bill, checking your budget, solving a trigonometry problem, or working through a scientific equation, Smart Calculator Pro gives you the right tool without the clutter of features you 'll never use. 📱 STANDARD CALCULATOR Clean, simple, and fast for everyday math: • Addition, subtraction, multiplication, division • Percentage calculations • Sign toggle (+/-) • Large, easy-to-read display 🔬 SCIENTIFIC CALCULATOR Everything a student, engineer, or professional needs: • Trigonometric functions — sin, cos, tan • Logarithms — log₁₀ and ln • Powers & roots — x², x³, √, eˣ, and custom exponents (^) • Mathematical constants — π and e • Full order-of-operations support 🕘 CALCULATION HISTORY Never lose a result. Smart Calculator Pro automatically keeps a running history of your past calculations so you can scroll back and check your work — clear it anytime with a single tap. 🌗 LIGHT & DARK MODE Switch instantly between a bright Light theme and an easy-on-the-eyes Dark theme with one tap. Your preference is saved automatically. ⚡ WHY CHOOSE SMART CALCULATOR PRO? ✔ Two calculators in one app — Standard + Scientific ✔ Built-in calculation history ✔ Beautiful, modern interface with Light & Dark themes ✔ Lightning-fast performance, even on older devices ✔ No sign-up, no login, no unnecessary permissions ✔ Small download size, minimal storage use ✔ 100% free to use 🎓 PERFECT FOR • Students — homework, algebra, trigonometry, exams • Professionals — engineering, finance, and everyday business math • Teachers & tutors — quick classroom calculations • Anyone who wants a reliable calculator without the bloat 🔒 YOUR PRIVACY MATTERS Smart Calculator Pro is built privacy-first. Your calculations and history stay on your device — we never see them, store them on a server, or share them with anyone. Read our full Privacy Policy for complete details. Smart Calculator Pro is supported by minimal, non-intrusive advertising, which keeps the app free for everyone — ads never interrupt you while you're actually calculating. 📥 GET STARTED Standard calculator, scientific calculator, and calculation history — all in one fast, free, beautifully designed app. Download Smart Calculator Pro and have the right calculator ready for whatever math comes your way. Have feedback or a feature request? We'd love to hear from you — contact details are available on our Play Store listing and inside the app.