Free online scientific calculator

On this page, you’ll find a free online scientific calculator to help you study your math subjects like Calculus or Algebra.

The calculator supports many functions, including trigonometric and exponential ones. It supports the sexagesimal system. It has a history of performed operations, and best of all, it supports the input of expressions with parentheses. This makes it very easy to use. Among other features, it also handles complex numbers, vectors, and matrices.

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Source: Web 2.0 scientific calculator

Calculator Manual

If you’re interested in making the most out of this calculator, you can access this link, where you’ll find additional information on how to operate it and all the functions it supports. This manual is in English.

Let’s look at some examples:

Operations with Vectors

You can perform operations with vectors. For example, you can input (1, 2, 3) + (4, 5, 6). Press the equal sign, and the result will appear: (5, 7, 9).

The same applies for vector multiplication, for instance: (1, 2, 3) * (4, 5, 6), which gives the result 32.

Determinants

The calculator can solve matrix determinants. For example, you can input:
det( [[1, 2, 3][4, -5, 6][7, 8, 9]] )
and pressing the equal sign will give the result, which is 120.

Complex Numbers

To handle complex numbers, you can input something like: (2+2i) * (3+3i). Pressing the equal sign will give the result 12i.

Derivatives

This calculator can also differentiate. Try entering something like: diff(x^2), and you’ll see the result in the display.

Integrals

Just as it can differentiate, it can also solve indefinite integrals. For example, try: int(x^2).