CalcApp - Simple Calculator2.2.3 - App Store

Tired of juggling multiple calculators and conversion apps for different tasks? With this all-in-one Calculator, you can breeze through everything from basic arithmetic to advanced scientific functions and even programmer-specific conversions-right at your fingertips. Whether you’re a student crunching numbers, a professional tackling complex equations, or a developer needing quick logic and base conversions, we’ve got you covered. Plus, every result is automatically saved to your History, so you’ll never lose important calculations again.

Key Features:
- Basic Arithmetic: Quick and easy for your everyday math needs.
- Scientific Calculator: Effortlessly handle trigonometric, logarithmic, and other high-level operations.
- Programmer Mode: Seamlessly switch between binary, octal, decimal, and hexadecimal, plus logical operations.
- Unit Converter: Instantly convert lengths, volumes, temperatures, and more-no extra steps needed.
- History Tracking: Automatically record and revisit your calculations at any time.

Download now to transform your smartphone into the ultimate computation powerhouse, ready to solve any math or conversion challenge in seconds!

Version History Fixed some known issues 2.2.3 12/30/2025 - Fixed some known issues
- Added support for iOS 26 2.2.2 11/14/2025 Update Notes:
- Fixed display issues for some expressions. 2.2.1 01/17/2025 Version 2.2.0
- New calculation features added: Scientific calculations, unit conversions, programmer calculator.
- UI Enhancements: Polished interface elements for a smoother and more intuitive experience
- Performance Boost: Improved overall speed and stability, with fewer lags and crashes
- Bug Fixes: Addressed display issues on certain devices 2.2.0 01/15/2025 New Features:

- Add notes to your expressions.
- Introduced amount-in-words conversion for Mainland China users.

Fixed:

- Fixed the issue where the history display was abnormal on iOS 16. 2.1.9 11/22/2024 New Features:

- Add notes to your expressions.
- Introduced amount-in-words conversion for Mainland China users. 2.1.8 11/21/2024 Fixed some known bugs 2.1.7 11/14/2024 Fixed some known bugs 2.1.6 11/06/2024 - Added percentage operator
- Support for parentheses input
- Fixed several known issues 2.1.5 10/29/2024 Fixed some known bugs. 2.1.4 03/27/2024 Fixed some known bugs. 2.1.3 01/15/2024 - You can view the recent history records on the homepage.
- Some UI optimizations have been implemented. 2.1.2 07/09/2023 - Improved certain user interface interactions.
- You can now long-press the result label above the keyboard to copy and paste numbers.
- Fixed several known issues. 2.1.1 06/19/2023 - Improved certain user interface interactions.
- You can now long-press the result label above the keyboard to copy and paste numbers.
- Fixed several known issues. 2.1.0 06/16/2023 We have rewritten the underlying calculation framework and added support for iCloud storage. Additionally, we have redesigned a visually appealing UI using SwiftUI, hoping that you will like it. 2.0.0 06/04/2023 Fixed a bug about operator priority that may cause an error in the calculation result. 1.7.1 09/19/2017 1. Optimized the UI
2. Add keypad tone switch 1.7 09/19/2017 [Optimization]
- Optimized local record storage.
- Use better looking fonts and redraw part of the icon. 1.6 08/04/2017 - 优化了编辑功能，以及已知错误修正。 1.4 04/06/2017 * 紧急修复了在未配置邮箱的情况下使用反馈功能时引起崩溃的问题 1.3 03/18/2017 [如果您在使用“反馈”功能时发生崩溃现象，请先在系统设置中配置您的邮箱后再尝试反馈，我将在下一版本中修复此问题。]

- 加了个历史记录的玩意儿，为此我把负号删除了
- 听说你想要 iPad 版？我做了简单的适配
* 捉了只已知 bug 1.2 03/16/2017 1.0 03/06/2017