Calculator 42 with History PRO is a handy free calculator for simple calculations. With this calculator, you can easily perform basic arithmetic operations like addition, subtraction, multiplication, and division. The calculator also supports percentages and advanced functions such as sin, cos, tan, arccos, arcsin, arctan, exponent, and logarithms with different bases.

One of the standout features of Calculator 42 is its calculation log, where all your calculations are saved. You can use the results and expressions from the log in new calculations or copy them to other applications. The calculator provides a clean and intuitive interface, ensuring that you can easily input and edit expressions. It also offers a dark and light appearance, allowing you to choose the theme that suits your preference.

Calculator 42 ensures that you don't make any mistakes in your expressions by prompting you to arrange brackets correctly. The latest calculation results are displayed on the screen, and you can configure the number of calculations to output or remove them completely. Additionally, the app provides a mini history feature that allows you to access and reuse previous results and expressions, as well as copy and delete calculations.

The app offers a PRO plan that can be upgraded to through in-app purchases. However, all the features mentioned above are available without a subscription or built-in purchases. If you choose to upgrade, the payment will be charged to your iTunes account, and you can choose to be billed yearly. Auto-renewal can be turned off in your Apple ID Account Settings.

Calculator 42 with History PRO is a reliable and feature-rich calculator app that will meet all your basic calculation needs. Whether you're a student, professional, or simply need a calculator for everyday use, this app has got you covered.

Note: The app developer's privacy policy and terms of use can be found at the following links: