Dual-Model Scientific Calc

Two Casio-style calculator workflows in one scientific calculator app, with saved setup, PRGM memory, and an optional beginner tutorial.

Dual-Model Scientific Calc is a polished scientific calculator app built for students who want real exam-style practice, not just quick answers. It is especially popular with Hong Kong HKDSE students, but the core value is universal: two Casio-style calculator workflows in one app.

What makes it different

• Switch instantly between fx-50FH II and fx-3650PII style layouts • Practice key positions, mode flow, Replay, and common exam habits • Keep your last model, key setup choices, and saved PRGM programs • Open an optional beginner tutorial whenever you want to learn features step by step

Core calculator features

• 6 core modes: COMP, SD, REG, BASE, CMPLX, PRGM • Trig, logs, exponents, powers, roots, factorial, nPr, nCr • Fractions, complex numbers, statistics, base conversion, and programmable functions • 40 scientific constants and 23 built-in formulas • Ans memory, Multi-replay, and calculation history for faster practice

Best for

• Students who want Casio-style scientific calculator practice • Learners who want to build calculator muscle memory before exams • Anyone who wants a dual-model scientific calculator with programmable support

Optional purchase

• One-time Remove Ads purchase for distraction-free study