1. Vertical screen display standard calculator, including addition, subtraction, multiplication and division, squared countdown, support for displaying 12 digits, arithmetic operation, square root, percentage, memory function.
2. Horizontal screen display scientific calculator, including arithmetic operations, trigonometric functions, inverse trigonometric functions, exponents, logarithmic functions, power functions, power square root functions, factorials, etc.
3. Smart unit conversion, covering all common unit distance, area, volume, weight, speed, pressure, energy, power, temperature, time, angle and data size conversion
4. Date calculation, embedded calendar, you can directly select the date to be calculated, fast and convenient.
5. The interface is simple and easy to operate. It is an essential artifact for studying and living on weekdays~
