## Mathematical calculators

Need help in math? Our calculators let you excel in math. Mathematics is the study of various topics related to numbers, structure, and change. When mathematical structures are used to model real phenomena, they can provide predictions about nature. Practical math has been a human activity for many years. The research required to solve some of the most challenging problems can take years of inquiry. Since the work of Giuseppe Peano, David Hilbert, and others in the 19th century, it has been widely believed that scientific research is conducted by carefully analyzing and criticizing the correctness of selected axioms and definitions. The evolution of mathematics began during the Renaissance, when scientists began to develop new ideas and methods. It is widely used in various scientific fields. The emergence of applied mathematics has led to new disciplines such as game theory and statistics. The history of mathematics shows that the first major abstract was probably numbers. It was the realization that a lot of numbers have something in common.

#### Math calculators

**Vector Cross Product Calculator**

Vector cross product calculator finds the cross product of two vectors in a three-dimensional space.

**30 60 90 Triangle Calculator**

With our 30 60 90 triangle calculator you can solve the special right triangle.

**Expected Value Calculator**

This expected value calculator helps you to calculate an expected value (also called mean) of the given variable set with their probabilities.

**Online Scientific Calculator**

This scientific calculator provides simple and advanced mathematical functions in an easy-to-use app.

**Standard Deviation Calculator**

This free calculator gives you the standard deviation, variance, mean, and sum of a given data set.

**Percentage Calculator**

This percentage calculator is a free online calculator to calculate percentages. Find out what is X % of Y?

**Fractions Calculator**

This free fraction calculator can be used to find the result for adding, subtracting, multiplying, and dividing two common fractions.

**Pounds To Cups Converter: Flour, Sugar, Milk..**

Find out correct measurements for your favourite recipe with this free calculator converts pounds to cups easily! Works with US cups and UK cups!

**Circle Circumference Calculator**

Use this free circle circumference calculator to calculate circle radius, circle diameter, circle circumference, and circle area.

**Double Angle Formula Calculator**

Determine the double angle equivalent of a given angle with this free calculator! Find more information about the double angle formula.

**Mathematical Root Calculator (square Root Calculator)**

This free calculator calculates the second, third and higher exponents and roots. Formula is also available.

**Triangle Area Calculator**

Find out area of triangle with our free online calculator! Calculate with base and height, but also with three different sides. Works with angles and radians!

**Coterminal Angle Calculator**

Find out coterminal angles with our coterminal angle calculator! Works with degrees and radians to find out positive and negative coterminal angles!

**Dot Product Calculator**

Calculate mathematical dot products, scalar products and dot product angles easily for your vectors.

**Midpoint Calculator**

Find out midpoints for a line or a triangle easily with our midpoint calculator! This page will also teach you valuable midpoint formula!

**Significant Figures Converter (Sig Figs Calculator)**

Find out the correct amount of significant figures in your number easily with our significant figure tool!

**Arc Length Calculator For Circle**

Find out easily length of a circle's arc with this online math calculator!

**Point Estimate Calculator**

Calculate point estimate easily with our free online tool!

**Percentage Increase Calculator**

Calculate any percentage increase easily with our free online calculator!

**Percentage Difference Calculator**

Calculate percentage difference instantly with our mathematical percentage difference calculator!

**Linear Interpolation Calculator**

This free online calculator calculates the linear interpolation and the linear extrapolation. It also provides the slope of the linear equation.

**QR Decomposition Calculator**

Find out orthonormal matrix and upper triangular matrix easily with our free online QR decomposition calculator!

**Matrix Transpose Calculator**

This matrix transpose calculator helps you to find a transpose for any matrix.

**Triangle Hypotenuse Calculator**

Find out hypotenuse for all kinds of triangles easily with our free math calculator!

**Trigonometry Calculator**

Calculate easily trigonometric values Sin, Cos, Tan, Cot, Sec and Csc with our free online calculator!

**Right Triangle Side And Angle Calculator (triangle Calculator)**

FInd out easily right side and angle of an triangle with our free online calculator!

**45 45 90 Triangle Calculator (right Triangle Calculator)**

Calculate hypotenuse, measurements and ratio easily with our 45 45 90 triangle calculator.

**Matrix Multiply Calculator**

Calculate matrix multiplications easily with our free online math calculator!

**Average Calculator**

Calculate mean average of numbers easily with our free online math calculator

**Random Number Generator**

This tool generates a truly random number between any two numbers.

**Margin Of Error Calculator**

This calculator calculates the margin of error for surveys based on sample size and proportion. It also allows you to set the desired level of confidence.

**Angle Between Two Vectors Calculator**

This online tool calculates the angle between two vectors and has all the possible vector combinations.

**LCM Calculator - Least Common Multiple Calculator**

This calculator will help you find the LCM or LCM for a particular set of numbers.

**Square Footage Calculator**

This online calculator calculates the area of a shape measured in feet. Works with all shapes and measurement units!

**Exponent Calculator (power Calculator)**

This is an online calculator that can calculate exponents.

**Math Remainder Calculator**

This online tool calculates the remainder of a division.

**Rule Of Three Calculator - Direct Proportion**

Calculate easily direct proportion of numbers with our free Rule of Three calculator.

**Quadratic Formula Calculator**

Quadratic equations are any polynomial algebra of the second degree having the following form in algebra.

**Sum Calculator**

This summation notation calculator allows you to quickly calculate the summation of a set number, also known as Sigma. Therefore it is often called a sigma calculator. It also gives you a sample from the series to be a sum. It can be used in simple mode to calculate a simple sum using a given set of numbers.

**Perimeter Calculator**

This is a free online tool that will calculator the perimeter of different shapes.

**Z Score Calculator (z Value)**

This is a calculator that calculates the z-score of a data set.

**Fibonacci Calculator**

This Fibonacci calculator can be used to calculate the terms arbitrarily of the Fibonacci sequence.

**Capsule Volume Calculator**

It is a free calculator that can help you find the volume of any capsule.

**Pyramid Volume Calculator**

It is a free calculator that can help you find the volume of different shapes.

**Triangular Prism Volume Calculator**

It is a free calculator that can help you find the volume of any triangular prism.

**Rectangle Volume Calculator**

It is a free calculator that can help you find the volume of a box.

**Cone Volume Calculator**

This calculator calculates cone volume and can be used to solve school problems.

**Cube Volume Calculator**

This is an online tool that will calculate the volume of any cube.

**Cylinder Volume Calculator**

This is an online tool that will calculate the volume of a cylinder.

**Scale Factor Dilation Calculator**

This is an online calculator that will help you calculate the scale factor dilation of an object.

**Shannon Diversity Index Calculator**

The Shannon biodiversity index calculator can be used to calculate the diversity of species in a community. Ecologists can use the Shannon diversity index to gain useful information about habitat.

**Bayes Theorem Calculator**

Use this Bayes theorem calculator online to determine the probability of an event that is conditional on another. This calculation takes into account the prior probability of A, the probabilities B conditional and A conditional, and A conditional.

**Antilogarithm Calculator**

The antilogarithm calculator allows you to calculate the inverse logarithm function. Calculate the antilogarithm for any number with any base, whether it's 10, natural antilog, or another number.

**Eˣ Calculator**

This amazing tool will allow you to compute e to the power of any number you choose.

**Prime Number Calculator**

This calculator will show you whether a number has a prime number or if it is a composite.

**Exponential Growth Calculator**

The exponential Growth Calculator calculates the final price of a quantity based on its initial values, rate of growth, and time.

**Sample Size Calculator**

Calculate sample size based on the population size, confidence level, and margin of error.

**Inverse Logarithm (log) Calculator**

This online calculator will display the inverse log of the number and the base entered.

**Poisson Distribution Calculator**

The Poisson distribution calculator will allow you to determine the likelihood of an event occurring a number of times during a certain time frame.

**Multiplicative Inverse Calculator**

This calculator will help you find the multiplicative inverse of an integer, a decimal, a fraction, or a mixed number.

**Marks Percentage Calculator**

This calculator converts test marks to percentages. It can be used to quickly calculate the percentage of one or more test grades (marks), and the maximum number of marks.

**Ratio Calculator**

This calculator can be used to determine the dimensions of images when you resize them.

**Empirical Rule Calculator**

The empirical rule calculator, also known as a "68 95 99 rule calculation", is a tool that allows you to determine the ranges that are either 1 or 2 standard deviations or 3 standard deviations. This calculator will show you the ranges in which 68, 95, or 99.7% of normally distributed data, respectively.

**P-value-calculator**

This incredible tool will allow you to find the p-value. You can use test statistics to determine which p-value is one-sided and which is two-sided.

**Sphere Volume Calculator**

It is a free calculator that can help you find the volume of a sphere.

**NPV Calculator**

This online calculator will allow you to calculate the NPV (Net Present Value) of an investment. The calculation is based on the initial investment and the discount rate. You can also calculate Internal Rates of Return (IRR), gross returns, and net cash flows.

**Percentage Decrease**

Use this calculator to find out how a percentage decrease by any amount will change the result. Simply enter the original value, the percentage decrease, and the new value to calculate the change.

**Area Calculator**

Our intuitive tool lets you choose from different shapes and calculates their area in the blink of an eye.

**Probability Calculator**

The probability calculator lets you explore the relationships of likelihood between two separate events. This allows you to get a better understanding of how events are related, and thereby makes predictions more accurate.

**Fraction To Decimal Calculator**

Use our fraction to decimal calculator to easily convert fractions to decimals and back again!

**Fraction To Mixed Number Calculator**

Convert a fraction to a mixed number calculator using our simple tool

### Frequently asked questions

Here are some common questions that our users are asking. Check out these and find the answer to your problem!