# General Math Calculators

When you think about math, you tend to think about many different topics. From trigonometry to geometry, algebra, graphing or even calculus. So, we did a thorough search on the Internet to find the best general math calculators that are not only the best ones as they are also free.

So, just take a look at the best general math calculators that can help you.

4×4 System Of Equations Solvers – This calculator is one of the best when you need to solve a system that includes 4 equations ad 4 unknown variables.

4 Percentage Calculators – This website allows you to use 4 different math calculators just to solve percentage equations.

Add, Subtract, Multiply, Divide – When you’re simply looking for an easy to use calculator that makes the most basic operations like additions, subtractions, multiplications, and divisions, and that has a good design, you should consider trying out this one.

Adding Subtracting Fractions Calculator – When you are looking for a calculator that allows you to make operations with fractions with a different denominator, check out this one. In addition, you’ll also be able to see the explanations for all the steps. [Updated]

Adding Subtracting Mixed Numbers Calculator – When you have more complex operations to do, you may need this calculator. After all, it allows you to make operations with fractions with different denominators and mixed numbers. Please notice that this calculator is only able to make additions and subtractions.

Area Calculator – When you’re at school, you’ll need to be able to determine the area of different shapes. So, if you need some help about determining the area of two-dimensional shapes such as trapezoids, rhombuses, triangles, and circles, make sure that you use this calculator.

Basic Calculator – When you want to perform simple math operations, try out this calculator. It includes a 10-digit keypad.

Binary to Decimal Converter – This calculator allows you to convert binary numbers into base 10 numbers. These include the numbers with decimal points.

Binary to Hex Converter – When you need to convert binary numbers into hexadecimal numbers, just use this simple calculator.

Child Math Tutor – You already know how much math is important. So, if you have young children, make sure that you use it with them. It can handle simple operations such as additions, subtractions, multiplications, and divisions.

Compare Fractions Calculator – Comparing fractions can be a real issue for a lot of people. If you are one of them, use this calculator to determine which fraction is larger.

Complex Numbers Arithmetic – This simple calculator allows you to perform simple operations with complex numbers.

Decimal to Binary Converter – This calculator allows you to easily convert base 10 numbers into binary numbers.

Decimal to Fraction Calculator – This calculator allows you to easily convert decimal numbers into fractions. And in case you have any doubts, just check the explanations on the website.

Decimal to Hex Converter – This calculator allows you to easily convert base 10 numbers into base 16 numbers (or hexadecimal).

Decimal to Octal Converter – This calculator allows you to easily convert decimal numbers into 8 base numbers (or octal numbers).

Derivative Calculator – With this calculator, you’ll be able to find the local minimum and maximum of any function.

Dividing Fractions Calculator – This calculator allows you to divide whole numbers, mixed numbers, and even fractions. In addition, you’ll also be able to see the step-by-step explanation of the answer.

Exponent Calculator – When you are trying to discover the decimal number that is the result of an exponent number, you just need to insert it into this free online calculator.

Exponential Expression Calculator – With this calculator, you can insert both negative and positive bases as well as exponents.

Fraction to Decimal Calculator – When you need to convert a fraction into decimals, you can use this simple calculator. In addition, you can also check all the math rules behind each step.

Fraction to Percent Calculator – With this online math calculator, you can easily convert a fraction into a simplest fraction, a decimal, or even a percentage.

Greatest Common Factor Calculator – This amazing math tool allows you to discover the greatest common factor of the numbers up to 4 insert numbers.

Hex to Decimal Converter – This calculator allows you to easily convert hexadecimal numbers into base 10 numbers. You can also find some great tutorials about how these conversions are made.

LCM Calculator – With this simple calculator, you will easily discover the least common multiple for up to 4 numbers.

Linear Equation Solver – When you need to solve a linear equation with just one variable, this is a great calculator. After all, it even explains you all the steps to solve it.

Logarithm – This is one of the best calculators when you are looking for calculating exponents or logarithms.

Math Fraction Reducer Calculator – When you need to reduce fractions, this is one of the best calculators that you can use. In addition, you can also discover the greatest common factor.

Mathway – When you have a math problem to solve, just try out this online calculator. It will not only provide you with the result as it will also explain to you how you can do it.

Multiplying Fractions Calculator – Whenever you need to multiply whole numbers, mixed numbers, or factions, just use this calculator.

Online Factoring Calculator – When you need a list of all factors of a number less than 10 million, just insert it into this calculator and get both the prime and composite.

Operations with common fractions – This calculator allows you to add, subtract, multiply, and divide fractions and it provides the result automatically converted into decimals.

Operations with polynomials calculator – This calculator allows you to easily add, subtract, multiply, and divide two different polynomial expressions.

Per cent calculator – Whenever you need to find a percentage, just add two values and this free online calculator will calculate the third for you.

Percent Calculator – With this calculator, you can easily discover that the solution of the equation A is a specific percent of the equation number B.

Percentage Change Calculator – With this amazing math calculator, you can easily determine the percentage difference between two numbers, the numerical difference, the fractional change, and the percent change.

Prime Factoring Calculator – With this simple calculator, you’ll immediately discover all the prime numbers of a specific number.

Prime Number Calculator – When you’re not sure whether a number is prime or not, just check it with this online calculator.

Prime Number Generator – Whenever you want to find a specific number of primes within a predetermined numeric range, just use this simple calculator.

Probability Calculator – This is one of the simplest calculators that you can use to determine the probability of any event.

Proportion: Rule of Three – This calculation performs the rule of threes for you. You just need to insert the 3 numbers to discover the fourth.

Pythagorean Theorem Calculator – When you need to calculate the length of one side of a triangle, the best way to do it is to use the Pythagorean Theorem. So, just insert your data into this calculator and let it discover the missing length for you.

Quadratic Equation Calculator – This is one of the best calculators to solve the x’s two values of quadratic equations.

Roman Numeral Converter – This calculator allows you to convert Arabic numbers into Roman numerals and vice-versa. You can even print their Roman Numeral chart.

Rounding Calculator – This calculator allows users to round up and round decimals with various variations. Simple and easy to use.

Scientific Calculator – When you simply need to use a scientific calculator that allows you to make trigonometry and logarithm calculations, just use this 10-digit keypad calculator.

Scientific Notation Calculator – This simple calculator allows you to add, subtract, multiply, and divide numbers in scientific notations. You can get the result both in scientific notation or in decimal number.

Scientific Notation Converter – When you need to make conversions, this is one of the best free online calculators to do so. From converting numbers in scientific notation into decimal numbers or vice-versa, you can do it all and you can even learn how to do it manually.

Square Root Calculator – This is a free calculator that simply calculates the square root of any given number.

Standard Deviation Calculator – When you’re dealing with statistics, this calculator can be pretty helpful. After all, it allows you to determine the mean of a set of numbers, the population variance, the sample variance, and the standard deviation.

Statistical Average Calculator – This calculator is one of the best ones you can use when you are trying to determine the sum, minimum, maximum, mean, mode, and range of a set of numbers.

Subtracting Adding 3 Fractions Calculator – You can use this calculator to determine the result of the addition or subtraction of 3 fractions with different denominators.

Synthetic Division Calculator – This calculator allows you to calculate the synthetic division of polynomials. In addition, you can also determine if one term is a factor of the other.

Trigonometry Calculator – When you’re studying trigonometry, this is one of the best online free calculators that you can use. After all, it allows you to calculate the sine, cosine, and tangent. You can also choose between the radian and the degree of arc.

Volume Calculator – Working with three-dimensional figures is not always easy. So, make sure that you use this free calculator to determine the volume of figures such as cubes and cylinders.