My calculator is a beautifully designed application that provides simple mathematical computing functions. - Executable addition, subtraction, multiplication, division and other basic calculations -Performs scientific operations such as trigonometric, logarithmic and exponential functions -Conversion between binary, octal, decimal and hexadecimal digital systems -Quick, simple, available history - Can be used to solve equations, systems of first and second order equations. -Scanned mathematical formulas to get answers immediately -It is also a calorie calculator, which can calculate the exact number of calories according to the size of food portions.