DayCalc is an easy to use, beautifully packaged calculator and Unit Converter, includes both a standard and scientific calculator, best calculator for your iPad, iPhone and Apple Watch!
* 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
* Full watchOS 3 support
* Support iOS 9 and later spotlight search
* Over 690 units in 31 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.
* 20 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: HCDayCalculator://
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+ Optimization units data search algorithm, search results more accurate