CalcBook: IOE Calculator
Tools Contains ads
Smart & fast scientific calculator with clean design and smooth experience.
- Downloads
- 98+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Jun 29
- 2026 · v7.1.6
Screenshots
About CalcBook: IOE Calculator
CalcBook: Smart Calculator is a powerful and easy-to-use calculator designed for everyday calculations and advanced scientific operations.
✨ Key Features:
• Basic calculations (addition, subtraction, multiplication, division)
• Scientific functions (sin, cos, tan, inverse functions)
• Degree, radian, and grad modes
• Fraction and decimal conversion
• Clean and modern user interface
• Smooth button animations and responsive design
• Lightweight and fast performance
CalcBook is built for students, professionals, and anyone who needs a reliable calculator on the go.
Whether you are solving simple math problems or advanced equations, CalcBook provides a seamless and efficient experience.
🚀 More features coming soon!
✨ Key Features:
• Basic calculations (addition, subtraction, multiplication, division)
• Scientific functions (sin, cos, tan, inverse functions)
• Degree, radian, and grad modes
• Fraction and decimal conversion
• Clean and modern user interface
• Smooth button animations and responsive design
• Lightweight and fast performance
CalcBook is built for students, professionals, and anyone who needs a reliable calculator on the go.
Whether you are solving simple math problems or advanced equations, CalcBook provides a seamless and efficient experience.
🚀 More features coming soon!
What’s new
Version 7.1.6 · Updated June 29, 2026
CalcBook v7.1.6 What's New * 📚 Added a Study Notice with support information. * 📄 Improved PDF loading and error handling. * ⚠️ Added "No PDF Found" message with safe Go Back option. * 🧭 Removed swipe navigation to prevent accidental page switching. * ⚡ Stability improvements and bug fixes. Need help? Visit "calcbook.app" or contact [[email protected]](mailto:[email protected])
User reviews
everythings good except the study materials are very few, hope we will see every material in future