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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* Full watchOS 4 and later support* Support iOS 9 and later spotlight search* Support Dark ModeUnit 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: HCDayCalcPro://Help translate DayCalc:Contribute to the DayCalc translation in your language.Let's make DayCalc available to everyone in the world!We will show translator's info in DayCalc, if you so desire.In addition, we also give several redemption code as a gift.Download it now and feel of this calculator is how classic