Calculator: Math Problem Sum is an iPhone application developed by Peter Jones. It is a free and easy-to-use calculator that can help solve basic math problems quickly and accurately. With its specialized scientific calculator, you can solve complex math problems in just a few taps. This app also has a feature that allows you to scan math exercises using your camera and solve them instantly.

The app includes a fraction calculator to help you solve those tricky fraction problems with ease. You can also use the app's updated currency converter to stay informed about global exchange rates. Additionally, the unit converter feature lets you convert length, speed, temperature, and time, among other important units. The tip calculator is also customizable, allowing you to divide the tip in equal parts to make the check-splitting process easier.

Whether you're a student or a professional, Calculator: Math Problem Sum is a great tool to make your calculations fast and easy. The app is available for free, but there are subscription options available, including a 3-day free trial followed by a weekly, monthly, or yearly fee. For more information, check out the app's privacy policy, terms of use, and EULA.