Calculator+++ is a powerful calculator app designed for iPhone users. It offers a wide range of features that make it a versatile tool for both basic and advanced calculations. This high precision calculator allows you to perform calculations with huge numbers, using operators such as -, ×, ÷, and !.

One standout feature of Calculator+++ is the ability to drag and drop results to save them to memory. This makes it easy to keep track of important calculations. The app also supports colorful math symbols and offers various themes to personalize your calculator experience.

With Calculator+++, you have the flexibility to change the decimal point and can start calculating immediately without any delays. The app also provides 1000 digits of the PI number for your reference.

Another useful feature is the smart grouping, which keeps track of the number of close groups on the app's screen. This ensures that you don't miss any closing groups while inputting your polynomial equations.

Calculator+++ is capable of calculating big numbers, such as factorials. For example, you can easily calculate 999! without any hassle.

Overall, Calculator+++ is a comprehensive calculator app that offers high precision calculations, advanced features, and a user-friendly interface. It is a must-have tool for anyone in need of a reliable calculator on their iPhone.