**What is the scientific calculator?**

Scientific calculator is a general term for a class of calculators with elementary function numerical calculation functions, and is the most commonly used type of calculators.

**Definition of scientific calculator:**

There are different calculation functions due to different manufacturers, models, etc. The general level is equipped with elementary function calculation functions, statistics, regression analysis and other functions, and the higher level is equipped with numerical calculus, numerical sum or quadrature, and hexadecimal conversion. And position operations, scientific constants, unit conversion, matrices, vectors, solving equations (groups), solving inequalities, probability distributions, relationship proofs and other functions. It is often used for general numerical function calculations in science and engineering or actual engineering. It does not have functions such as programming, text storage, high-precision calculations and symbolic calculations, and drawing.