What is a free online scientific calculator?

. Free online scientific calculator from GeoGebra: perform calculations with fractions, statistics and exponential functions, logarithms, trigonometry and much more!

What does a calculator do?

A calculator is a device that performs arithmetic operations on numbers. Basic calculators can do only addition, subtraction, multiplication and division mathematical calculations. However, more sophisticated calculators can handle exponential operations, square roots, logarithms, trigonometric functions and hyperbolic functions.

How to find sector area formula?

The sector area formula may be found by taking a proportion of a circle. The area of the sector is proportional to its angle, so knowing the circle area formula, we can write that: To find an ellipse area formula, first recall the formula for the area of a circle: πr².

What are the different types of calculators?

Today, there are a variety of calculators, from brands such as Casio and Texas Instruments, available to serve different mathematical needs. Let's look at a few of them. The most basic calculator is the four-function calculator, which can perform basic arithmetic such as addition, subtraction, multiplication and division.