Simple Calculator is a free Android app developed by Max Human in the Utilities & Tools category. It is a simple and convenient tool for everyday use. The app has a number of functions that make calculations more convenient without any unnecessary or incomprehensible features.

The app has a simple and clear design with no distracting elements. It is easy to understand where to click and what to do. The calculation line under the result allows you to see the result and the original data simultaneously, reducing the number of errors. The app also has protection against incorrect data entry and convenient work with memory.

You can change the sign of a number by clicking on it and copy the result or number from memory to the buffer by long-pressing on it. The app also allows you to delete the data character by character, making it easy to correct input errors. The app provides tactile feedback when buttons are pressed, and the large buttons are difficult to miss.

The app allows basic mathematical operations such as addition, subtraction, multiplication, and division. It also allows calculation of operations with interest and working with memory.