DayCalc is an easy to use, beautifully packaged calculator and Unit Converter, includes standard, scientific and fractions calculator, best calculator for your iPad, iPhone and Apple Watch!

Calculator:
- Live voice calculator
- Add notes to history of your calculations, and you can share
- Choose between a basic calculator or scientific calculator with more than 30 scientific operations
- Use both calculators in portrait or landscape mode (both iPhone and iPad), and split screen support for iPad
- Auto adjust height of the history list, no matter how long the calculation process can be displayed in full
- Allows locking of calculation history, cannot be deleted and modified after locking
- Full watchOS 4 and later support
- Support iOS 9 and later spotlight search
- Support Dark Mode

Unit Converter:
- Over 600+ units in 20 categories.
- Allows you to add your own unit data, make your own unit converter that meets all your requirements.
- Support more than 150 kinds of currency, conversion exchange rate automatic updates
- The simplest way to create and use favorite lists.
- Add the constant value of your frequently used, it can easily and quickly reused.
- Flexible search feature that lets you quickly find what you want the unit and automatically saves your search history.

Basic functions:
- 50+ beautiful themes for you to choose
- View and edit a history of your calculations on the History Panel
- Multiple Button sounds, and button sound is mutable

URL schemes: HCDayCalc://

Download it now and feel of this calculator is how classic