Free Math Calculators & Solvers

Solve complex mathematical problems instantly with our free online math tools. Include scientific, graphical, algebraic, and calculus calculators.

Scientific Calculator

Advanced online scientific calculator for trigonometry, logarithms, and complex expressions.

5.2M+ monthly searches

Graphing Calculator

Plot functions online, explore equations, and visualize intersections and asymptotes.

3.1M+ monthly searches

Equation Solver

Solve mathematical equations online step-by-step.

2.5M+ monthly searches

Derivative Calculator

Calculate derivatives of functions with symbolic differentiation.

1.2M+ monthly searches

Integral Calculator

Calculate definite and indefinite integrals online.

1.5M+ monthly searches

Algebra Solver

Simplify expressions, solve polynomials, and expand algebraic equations.

1.1M+ monthly searches

Fraction Calculator

Add, subtract, multiply, and divide fractions and mixed numbers.

3.4M+ monthly searches

Standard Deviation Calculator

Calculate standard deviation, variance, mean, and count of a data set.

1.8M+ monthly searches

Quadratic Formula Calculator

Solve quadratic equations step-by-step using the quadratic formula.

2.0M+ monthly searches

Matrix Calculator

Perform matrix operations: addition, multiplication, determinant, and inverse.

1.1M+ monthly searches

Trigonometry Calculator

Evaluate trigonometric functions such as sine, cosine, tangent, and their inverses.

800K+ monthly searches

Statistics Calculator

Calculate mean, median, mode, range, and standard deviation for any data set.

900K+ monthly searches

Probability Calculator

Calculate the probability of multiple independent or dependent events.

600K+ monthly searches

Logarithm Calculator

Calculate arbitrary base logarithms, natural logs, and base 10 logs.

400K+ monthly searches

Permutation & Combination

Calculate permutations (nPr) and combinations (nCr) for probability.

300K+ monthly searches

Factorial Calculator

Calculate the factorial of a sequence of positive integers.

250K+ monthly searches

Prime Number Calculator

Check if a number is prime and find the prime factorization of any integer.

200K+ monthly searches

Why Use Our Online Math Calculators?

Mathematics can be challenging whether you're working on algebra homework, complex calculus integrations, or evaluating large datasets. Our suite of online math calculators provides immediate answers alongside step-by-step clarity to help you learn and double-check your work.

All calculations are executed securely within your browser, ensuring lightning-fast performance and total privacy. From the standard scientific calculator for daily trig functions to advanced symbolic solvers for algebra, SwiftTools has you covered.

Math Calculators FAQ

Are all math calculators free to use?

Yes, SwiftTools offers a comprehensive suite of completely free math calculators. You can use our graphing calculator, solve equations, and compute derivatives without any subscription or sign-up.

How accurate are the calculus and algebra tools?

Our calculators use state-of-the-art computer algebra systems (CAS) operating directly within your browser, providing highly accurate numerical and symbolic results.

Can I visualize equations with the graphing calculator?

Absolutely. The graphing calculator tool allows you to plot multiple mathematical functions, visualize relationships, and interact with the data points on the graph.