If you have to **calculate the fourth root of a number** and you don't know how to do it, our online calculator will solve the problem for you automatically. Just type in the number you want to calculate the fourth root of and click the calculate button to get the result.

# Mathematical calculators

If you are looking for **online mathematical calculators**Here you will find an interesting collection of tools so that you can perform simple and more complex calculations related to trigonometry, logarithms, percentages, rules of three, get the solutions of a second degree equation, calculate areas and volumes of the main geometric figures and much more.

Each of these mathematical calculators has been simplified as much as possible to make them very easy to use and in passing **learn what steps should be taken to achieve the desired result.** end.

To give you a clearer idea of the math calculators we have, below are direct links to some of them based on the category they belong to:

- Basic operations: solves addition, subtraction, multiplication, division, percentages, rules of three, Pythagorean Theorem or rules of three, among others.
- Operations with fractionsIf you want to work with fractions, these calculators will help you solve the basic operations.
- Trigonometry calculatorsCalculates sine, cosine, tangent or functions directly related to the world of trigonometry.
- Areas of figuresCalculates the area of the main trigonometric figures.
- Volume of figuresFind out how much space the main geometric bodies occupy.
- Perimeter of figurescalculates the sum of all the sides of a geometric figure.

Are you looking for any** online math calculator**? Here you will find a series of useful mathematical tools completely free that will help you to perform simple and not so simple calculations, allowing you to calculate areas, logarithms, rules of three, volumes of geometric figures, percentages, equations of second degree and much more.

Below is a list of all the **mathematical calculators** that we have available, over time we will be adding more and improving the existing ones so that no mathematical calculation will be impossible for you.

## Exponent calculator

**Calculate any exponent** con nuestra calculadora online. Simplemente tienes que introducir el valor de la base y el del exponente para saber el valor que estás buscando.

In case you don't remember, let's refresh what is the base and what is the exponent. For example, in 2^{3} we have to:

- The base is number 2
- The exponent is the number 3, that is, the number of times by which we multiply the base.

If you want to calculate the exponent of an exponentiation, you can do it in the link that we have just left.

## Rounding decimals online

**Rounding decimal numbers** is very easy but sometimes, we forget the rounding rules to apply. With our online rounding calculator, you can simplify any number by using the number of decimal places of your choice.

You only have to enter the **number you want to round**Enter the number of decimal places you need and press the calculate button to obtain the result.

## Hypotenuse Calculator

**Calculating the hypotenuse of a triangle** is very easy thanks to the Pythagorean Theorem. This theorem says that the hypotenuse is equal to the square root of the sum of the legs squared, therefore, knowing this data, we can find out the value of the hypotenuse.

With our **hypotenuse calculator online** you can directly apply the Pythagorean Theorem, but if you need to know the value of the other legs, we also have another way to apply it. calculator to solve triangles.

## Calculate 10 percent

**Calcula el 10% de un número** to know the discount applied in a discount or offer of a particular product. Also the reduced VAT applies this percentage on the products although in this case, it is not a rebate since this tax is added on the value of the item in question, something that we tell you in our VAT calculator.

Calculating the percentage of an amount can be very useful, so thanks to our percentage calculator, you will be able to **take out 10 percent of the figure you want.** Sólo tienes que escribir el número, hacer click sobre el botón de Calcular y automáticamente conocerás cuál es el valor de su 10%. Si quieres calcular cualquier otro porcentaje, no dudes en visitar nuestra percent calculator.

## Types of angles

Do you need **know what type of angle it is** one in particular and calculate its supplementary or complementary? Use our online calculator and you will get the result you are looking for immediately. Just type the amplitude of the angle in degrees and click the calculate button to find out its classification.

If you want to learn more about the **types of angles that exist on the basis of their measure, their sum, their position or other criteria**. Read on because here you will find all the information you are looking for.

## Inverse of a number

What is the inverse of a number? Is it the same as calculating its opposite? Use our online calculator and get the inverse of any quantity immediately. Just type the number of which you want to calculate its opposite, press the calculate button and you will automatically get the result on the screen.

If you want to know more about what the inverse of a number is and **how it is calculated**read on.

## RPM to rad/s

Do you need **change from RPM to rad/s**? With our online calculator you can change from revolutions per minute to radians per second and vice versa by simply typing the numerical value and pressing the calculate button to get the result automatically.

If you also want to learn **how to change from rpm to radians or the other way around**, read on because we explain how to do the conversion with the formula, solved examples and more.

## Apothem

Do you have to** calculate the apothem of a regular polygon**? Use our online calculator and get its value automatically. We just need you to enter the number of sides the polygon has and the length of one of them to get the result.

If you want to know more about **how to calculate the apothem of a regular polygon**Read on because we will tell you all about it.

## Divisors of a number

Do you need **calculate the divisors of a number online**? Use our calculator and you will get all integers and prime factors by which that integer can be divided.

Its operation is very simple. You only have to write the whole number (without commas or decimals) for which you want to **get the divisors** and then click on the Calculate button to obtain the result.

## Cubic equation

Do you want to **solve cubic equation online**? Below you will find a calculator to solve them immediately. Just type in the value of the coefficients of the equation, press the calculate button and you're done.

If you still have any doubts, in this article we will teach you** how to solve equations of degree three**exercises and many interesting resources.

## Hyperbolic tangent

Are you looking for a **hyperbolic tangent calculator** online? Below you will find one to get the result of this function for any real x-value.

Its operation is very simple. All you have to do is type the number x in the **tanh calculator** and click the calculate button to see the solution.

## Cotangent

Do you want to **calculate cotangent online**? With our calculator you can do it for any angle, either in degrees or in radians. After pressing the calculate button you will get the cotg value.

If you also want to learn more about this inverse trigonometric function, in the article we will teach you everything you need to know about it.

## Cosecant

Do you have to **calculate the cosecant online** of an angle? Use our tool and you can do it either in degrees or in radians. Just type the value of the angle, select the unit it is in and click the calculate button to get the csc(x) value.

If you want to know more about this inverse trigonometric ratio, how it is calculated, its properties and more, read on.

## Secant

Do you need **calculate the secant online**? Below you have a calculator to obtain the value of this trigonometric function from the angle, either in degrees or radians.

Just type the value of the angle for which you want to obtain the secant, select whether it is in degrees or radians and press the calculate button to obtain the result.

## Romboid

Do you want to learn how to **calculate the area of the rhomboid**its perimeter or to know its characteristics? You are in the right place.

Below you will find an online calculator to obtain the area of the rhomboid automatically and without operations. Just enter the value of its height and the value of the base to obtain the data.

## Absolute error

The **absolute error** is defined as the difference between the measured value and the exact value. It is a measure that shows how far or close a measurement is from the value it should have.

In this page we will show you** how to calculate this type of error with the formula** and we will also give you a calculator to obtain the absolute error automatically.

## Biquadratic equations

Do you need to solve **biquadratic equations**? Use our online calculator and get the four solutions of the equation immediately.

Recall that a biquadratic equation** are fourth degree equations** (not to be confused with second degree equations) without any terms of odd degree. That is, they look like this:

ax

^{4}+ bx^{2}+ c = 0

To use our **biquadratic equations calculator calculator** just type the values of a, b and c and press the calculate button to get the result.

## Scientific notation

Do you need a **scientific notation calculator**? You are in the right place because thanks to our converter, you will be able to express a number in the following notations:

- Decimal notation
- Scientific or exponential notation
- Notation E (symbolizes the exponent)
- Engineering notation

All you have to do is **write the number in the corresponding notation** and click the convert button to the right of the box to convert to the other notations.

It is important that **do not use thousands separator in the number you write and if there are decimals, use the period (.)** instead of the comma (,).

## Circular sector

Do you want to **calculate the area of a circular sector**? Use our online calculator and you will get the area of the sector automatically as well as its arc length and perimeter.

All you need is **to know the radius of the circle (r) and the number of degrees (α)** that the circular sector occupies. When you have it, press the calculate button and you will get the result immediately.

## Dodecahedron

Do you want to calculate the **area or volume of a dodecahedron**? Use our online calculator and you will be able to calculate the area of this 12-sided figure.

If you also want to** know the formula** to use, download a template to make your own dodecahedron and more data related to this polyhedron, read on.

## Icosahedron

Do you need to calculate the area or volume of a **icosahedron**? Use our calculator and you can automatically obtain this data by simply entering the measure of one of the edges of this figure.

If you would also like to know the formula to use or download a template for **build your own icosahedron**Read on because we will tell you all about this geometric figure formed by 20 equilateral triangles.

## Sine of the double angle

Do you have to calculate the **sine of double angle**? Use our calculator and get the result automatically, ideal to do exercises quickly or to check that the solution you have obtained is correct.

If you want to know more about this trigonometric ratioAfter the tool you will find very useful information such as the formula, exercises, demonstration and much more.

## Vector product

Don't you know **how to calculate the vector product of two vectors**? Use our online calculator and find out the result automatically, without doing any operations.

Just enter the i, j and k components of the two vectors and click the calculate button to get their vector product. For example, if you are given the vector = (1, 2, 3) y = (4, 5, 6), the values of each of its components are the ones you must write in the tool. If you do not know **how to calculate the vector product**read on and we will explain it to you.

## Modulus of a vector

**Calculate the modulus of a vector** is an operation that you will have to use in many math exercises, such as calculating the scalar product of two vectors. Below is a calculator that allows you to obtain the modulus of a vector from its components (v_{1}, v_{2}) or the position of two of its points A (x_{1}, y_{1}) and B (x_{2}, y_{2})

You only have to type in our calculator the vector data you know and press the calculate button to obtain its modulus. Also, if you want to **learn how to calculate the modulus of a vector** we show you how it is done.

## Scalar product of two vectors

Do you have to **calculate the scalar product of two vectors**? Find out how to do it here or use our online calculator to know the result immediately.

You only need to write the **vector components and those of the vector as well as the angle formed by** the two vectors in degrees. Press the calculate button and you will automatically know their scalar product.

## Equation of the line

Use our calculator and we will give you the **equation of the line through two points** as well as the value of its pending.

You only have to enter the coordinates (x_{1}, y_{1}) (x_{2}, y_{2}) of each of the known points and press the calculate button to obtain the result. If you want to know **how to find the equation of the line** and see solved exercises for each case, continue reading below.

## Slope of a straight line

Do you have to **calculate the slope of a straight line**? Use our calculator and you will obtain both the slope and the equation of the line passing through two points.

All you have to do is **write the coordinates of each point (x _{1}, y_{1}) (x_{2}, y_{2})** and press the calculate button to obtain all the data of the line they form.

## Equivalent fractions

Do you need **calculating equivalent fractions**? Use our calculator and find out if they are.

You just need to enter how much the numerator and denominator of each fraction are worth and **press the calculate button to find out if they are equivalent** or not.

## Volume of a pyramid

Don't you know **how to calculate the volume of a pyramid**? Use our online calculator and find out without knowing the formula.

Just select the shape of the base of the pyramid and type in the tool some data such as the height of the figure or how long one of the sides of the base is. And remember that you can also calculate the area of a pyramid in this other link that we have just left you.

## Area of a pyramid

Do you want to **calculate the area of a pyramid**? Use our online calculator and we will automatically provide you with data such as the lateral surface area of this figure, the area of its base and the total surface area of this pyramid.

Just enter how long one of the sides of the quadrangular base is and how tall the pyramid is. When you have done this, click the calculate button and we will give you the results.

## Sample size calculator

Do you need **calculate the sample size**? Use our online calculator and you will be able to get the right sample size for the population you want to investigate.

To use the **sample size calculator** you only need to fill in four essential pieces of information: the size of the population, the percentage of deviation, the maximum percentage of error that you allow and the confidence level. If you don't know what these parameters are, read on to get a good understanding of how to calculate a sample size.

## Complex numbers

Do you need a** calculator to convert from polar to binomial form** or from binomial to polar? Here you have a tool dedicated to complex numbers along with much more information for you to know the properties, operations and much more.

To change a number **from polar to binomial or vice versa** just select the change you want to make in our calculator, write the values that correspond in each case and press the calculate button to obtain the equivalence automatically.

## Calculate the modulus of complex numbers

**Calculate the modulus of a complex number** (z = a + bi) is a simple operation but we always tend to forget how to do it, but thanks to our calculator you will no longer have to remember the formula.

You can also use the tool to **to extract the absolute value of a complex** to check that you have solved the exercises correctly.

## Calculate the side of a square

Do you need **calculate the side of a square**? Below you will find all the ways to get how long one of the sides of this four-sided figure is and if there is any other method, let us know and we will add it.

Many geometry problems ask us to **calculating the side of a square from its diagonal**so you can use our calculator and get the result automatically. For the rest of the cases we will explain it theoretically.

## Calculate the radius

Do you need **calculate the radius of a circle**? Use our calculator and you can get its value from the diameter or from its length.

We also show you how to calculate the radius for different geometric figures from their formula.