Dual-Model Scientific Calc
Casio-Style Exam Practice
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
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
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
v1.3.0 What's New:
[Better for long-term practice]
- The app now remembers your last model and key setup choices
- PRGM programs now stay saved between launches
- Added an optional beginner tutorial entry so students can learn features without interrupting normal use
[Store and language alignment]
- Updated store copy and localization settings for a more consistent Traditional Chinese experience
[Stability Improvements]
- Expanded regression coverage for setup restore and PRGM recovery flows
The developer, OuTech Limited, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- OuTech Limited
- Size
- 27.2 MB
- Category
- Education
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- Traditional Chinese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Remove Ads $3.99
- Copyright
- © 2026 OuTech Limited