Best calculator product selection
A calculator is an electronic device used for mathematical operations, usually performing basic operations such as addition, subtraction, multiplication, and division, as well as complex calculations such as scientific calculations and financial calculations. according to the function, it can be divided into simple type, scientific type, financial type, programming type and other types. simple calculators are small in size and simple in function, suitable for simple calculations in daily life; scientific calculators have more complex functions, and can perform advanced calculations such as trigonometric functions, logarithms, and exponents; financial calculators can perform financial and investment calculations , such as interest rate calculations, discount rate calculations, etc.; programming calculators can be programmed and run.