Calculator is a machine invented in modern times that can perform number calculations. A calculator is generally composed of arithmetic unit, controller, memory, keyboard, display, power supply, and some optional peripheral equipment and electronic accessories, which are composed of manual or mechanical equipment.We also have filing folders, notebook, ballpen, pencil that can be wholesaled, and any logo, size, color, style, packaging, etc. can be customized. The price is cheap, I hope you are interested.
Calculators are divided into three categories:
Comprehensive function calculators
Common calculators introduce.
It can perform simple four arithmetic operations such as addition, subtraction, multiplication, and division, also known as a simple calculator. Generally, they are physical calculators, which can perform operations such as powers, square roots, exponents, logarithms, trigonometric functions, statistics, etc., also known as function calculators. It can be software or physical objects.
Special calculators introduce.
Such calculators generally exist in the form of software. In addition to the functions of commonly used calculators, users can also write programs or formulas by themselves, and store more complex calculation steps or formulas, which can be called and performed later. Repeated calculations many times, and even print the calculation process and results. Most of the functions of special calculators can be realized, such as personal income tax calculation, unit conversion, etc. can be programmed and calculated by the user. The user can also download the formula file made by others on the Internet for calculation. Comprehensive calculator It has a wide range of applications, not only for ordinary users, but also for programmers.
Comprehensive function calculators introduce.
Advanced scientific calculators or engineering calculators support trigonometric functions, statistics, and other functions. The most advanced modern calculators can even display graphs and include a computer algebra system. This calculator can be programmed, and contains algebraic equation solvers, economic models and even game programs. This type of calculator can display a single value that fills the display.