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Free mathematics calculators and resources

About summe.org

Summe.org is a collection of online mathematics calculators covering summation, calculus, algebra, number theory, sequences, combinatorics, numerical methods, and specialized mathematical topics. This directory also connects visitors with complementary tools hosted by Binarios.org and Matrices.org.

77 live tools 12 external tools 120 planned tools
Explore calculators Contact us
Live calculator pages
77

Available tools across local and external websites.

Hosted elsewhere
12

Specialist calculators that open on their host websites.

Planned catalog
120

Additional ideas for future development, not live pages.

What is Summe.org?

Summe.org aims to make mathematical calculations easier to perform and explore. Instead of relying on one general-purpose calculator for every problem, visitors can select tools designed for particular mathematical operations and concepts.

The available collection includes summation and series calculators, derivatives, integrals, limits, fractions, percentages, number theory, hyperoperations, combinatorics, multivariable calculus, algebra, and differential equations. Additional specialist tools extend the directory into numerical methods and matrix analysis.

Tools hosted by partner websites are clearly marked as external. They remain accessible through their original URLs, so visitors can use the appropriate specialist calculator without confusing it with a page hosted directly on Summe.org.

Explore mathematics topics

  • Summation, sequences, and series
  • Derivatives, limits, and integration
  • Number theory and modular arithmetic
  • Algebra and numerical root finding
  • Combinatorics and recurrence relations
  • Multivariable and vector calculus
  • Matrix norms and numerical conditioning
  • Markov chains and PageRank
  • Hyperoperations and special numbers

All Live Mathematics Tools

Browse the complete current directory, including specialist tools on other websites.

77 live tools
65 local · 12 external
Search filters the live calculator directory below.
Basic Math Calculators Summation & Series Derivative Calculators Integration & Limits Number Theory & Special Numbers Hyperoperations Combinatorics & Triangles Multivariable Calculus Algebra & Numerical Methods Differential Equations Matrix Analysis & Numerical Linear Algebra Markov Chains & Graph Algorithms

Basic Math Calculators

2 tools
Available
  1. Percentage Calculator Calculate percentages, percentage increases, decreases, and percentage differences.
  2. Fraction Calculator Add, subtract, multiply, and divide fractions.
No calculators in this category match your search.

Summation & Series

20 tools
Available
  1. Sigma Calculator Evaluate finite summations using sigma notation.
  2. Sum of a Series Calculator Calculate arithmetic and geometric series.
  3. Sum of Powers Calculator Calculate sums of powers of integers.
  4. Triangular Number Calculator Calculate triangular numbers and related sums.
  5. Sum of Primes Calculator Find the sum of prime numbers in a range.
  6. Fibonacci Sum Calculator Calculate sums of Fibonacci numbers.
  7. Conditional Sum Calculator Calculate sums subject to mathematical conditions.
  8. Factorial Sum Calculator Calculate sums involving factorials.
  9. Sum of Divisors Calculator Find the sum of the divisors of an integer.
  10. Cumulative Sum Calculator Calculate cumulative and running sums.
  11. Consecutive Sum Finder Find consecutive integers that add up to a target.
  12. Sum of Odd Numbers Calculator Calculate sums of consecutive odd numbers.
  13. Lucas Number Sum Calculator Calculate sums involving Lucas numbers.
  14. Sum of Cubes Calculator Calculate sums of consecutive cubes.
  15. Sum of Squares Calculator Calculate sums of consecutive squares.
  16. Binomial Sum Calculator Calculate sums involving binomial coefficients.
  17. Pascal Row Sum Calculator Calculate the sum of entries in a Pascal triangle row.
  18. Sum of Even Numbers Calculator Calculate sums of consecutive even numbers.
  19. Summation Puzzle Solver Explore mathematical summation puzzles.
  20. Summation Proof Helper Explore formulas and proofs involving summation.
No calculators in this category match your search.

Derivative Calculators

8 tools
Available
  1. Derivative Calculator Calculate derivatives of mathematical functions.
  2. Higher Order Derivative Calculator Calculate second, third, and higher derivatives.
  3. Partial Derivative Calculator Calculate partial derivatives of multivariable functions.
  4. Derivative at a Point Calculator Calculate a derivative at a specified point.
  5. Implicit Differentiation Calculator Differentiate equations using implicit differentiation.
  6. Logarithmic & Exponential Derivative Calculator Differentiate logarithmic and exponential functions.
  7. Trigonometric Derivative Calculator Calculate derivatives of trigonometric functions.
  8. Derivative Graph Plotter Visualize functions and their derivatives.
No calculators in this category match your search.

Integration & Limits

10 tools
Available
  1. Indefinite Integral Calculator Calculate indefinite integrals and antiderivatives.
  2. Definite Integral Calculator Calculate definite integrals over an interval.
  3. Integration by Substitution Calculator Solve integrals using substitution.
  4. Integration by Parts Calculator Solve integrals using integration by parts.
  5. Trigonometric Integral Calculator Calculate integrals involving trigonometric functions.
  6. Partial Fraction Integral Calculator Integrate rational functions using partial fractions.
  7. Numerical Integration Calculator Approximate definite integrals numerically.
  8. Improper Integral Calculator Evaluate improper integrals and examine convergence.
  9. Graphical Integration Plotter Visualize functions and the area represented by an integral.
  10. Limit Calculator Calculate limits as variables approach values or infinity.
No calculators in this category match your search.

Number Theory & Special Numbers

9 tools
Available
  1. Digital Root Calculator Calculate the digital root of an integer.
  2. Modulo 9 Checker Explore modular arithmetic and the modulo 9 rule.
  3. Addition Chain Calculator Explore addition chains for exponentiation.
  4. Number Partition Calculator Explore integer partitions of a number.
  5. Greatest Common Divisor Calculator Calculate the greatest common divisor of integers.
  6. Least Common Multiple Calculator Calculate the least common multiple of integers.
  7. Prime Factorization Calculator Find the prime factorization of a positive integer.
  8. Binary GCD Calculator External Calculate the greatest common divisor using the binary GCD algorithm.
  9. Modular Exponentiation Calculator External Calculate powers modulo an integer efficiently.
No calculators in this category match your search.

Hyperoperations

4 tools
Available
  1. Hyperoperation Calculator Explore addition, multiplication, exponentiation, and higher hyperoperations.
  2. Tetration Calculator Calculate repeated exponentiation and power towers.
  3. Pentation Calculator Explore the hyperoperation beyond tetration.
  4. Hexation Calculator Explore hexation and higher-order hyperoperations.
No calculators in this category match your search.

Combinatorics & Triangles

6 tools
Available
  1. Pascal Triangle Generator Generate rows of Pascal’s triangle.
  2. Triangular & Tetrahedral Number Calculator Calculate triangular and tetrahedral numbers.
  3. Magic Square Generator Generate and explore mathematical magic squares.
  4. Permutation Calculator External Calculate ordered arrangements and permutations.
  5. Combination Calculator External Calculate combinations and unordered selections.
  6. Recurrence Relation Calculator External Explore recurrence relations and recursively defined sequences.
No calculators in this category match your search.

Multivariable Calculus

7 tools
Available
  1. Directional Derivative Calculator Calculate directional derivatives of multivariable functions.
  2. Gradient Calculator Calculate the gradient vector of a scalar function.
  3. Divergence Calculator Calculate the divergence of a vector field.
  4. Curl Calculator Calculate the curl of a three-dimensional vector field.
  5. Jacobian Calculator Calculate the Jacobian matrix of multivariable functions.
  6. Hessian Calculator Calculate the Hessian matrix using second-order partial derivatives.
  7. Critical Point Calculator Find and analyze critical points of multivariable functions.
No calculators in this category match your search.

Algebra & Numerical Methods

4 tools
Available
  1. Quadratic Equation Calculator Solve quadratic equations and calculate their roots.
  2. Polynomial Factoring Factor polynomial expressions.
  3. System of Equations Solver Solve systems of mathematical equations.
  4. Newton-Raphson Calculator External Explore numerical root-finding using the Newton-Raphson method.
No calculators in this category match your search.

Differential Equations

1 tools
Available
  1. Differential Equation Solver Solve supported differential equations and explore their solutions.
No calculators in this category match your search.

Matrix Analysis & Numerical Linear Algebra

4 tools
Available
  1. Matrix Norm Calculator External Calculate matrix norms, including common matrix norm measures and the Frobenius norm.
  2. Condition Number Calculator External Analyze matrix conditioning and numerical sensitivity using condition numbers.
  3. Kronecker Product Calculator External Calculate the Kronecker product of two matrices.
  4. Positive Definite Matrix Test External Test whether a matrix satisfies positive-definiteness criteria.
No calculators in this category match your search.

Markov Chains & Graph Algorithms

2 tools
Available
  1. Markov Matrix Calculator External Explore stochastic matrices and matrix calculations used in Markov chains.
  2. PageRank Matrix Calculator External Explore the matrix calculations behind PageRank and link-analysis algorithms.
No calculators in this category match your search.

Planned Mathematics Tools

These are possible future additions and are not presented as live calculators.

120 planned entries

Core Math Tools

Planned
  1. Expression Evaluator
  2. Scientific Calculator

Advanced Algebra Tools

Planned
  1. Linear Equation Calculator
  2. Polynomial Calculator
  3. Inequality Solver
  4. Rational Expression Simplifier
  5. Completing The Square Calculator
  6. Algebraic Identity Checker
  7. Expansion Calculator

Expression and Formula Tools

Planned
  1. Absolute Value Calculator
  2. Radical Simplifier
  3. Exponent Calculator
  4. Logarithm Calculator
  5. Change Of Base Calculator
  6. Function Composition Calculator
  7. Inverse Function Calculator

Sequence and Series Tools

Planned
  1. Arithmetic Sequence Generator
  2. Geometric Sequence Generator
  3. Recursive Sequence Calculator
  4. Sequence Convergence Checker
  5. Sequence Limit Calculator
  6. Series Convergence Test Calculator
  7. Alternating Series Calculator
  8. Power Series Calculator
  9. Generating Function Calculator

Number Theory Tools

Planned
  1. Prime Number Calculator
  2. Factorization Calculator
  3. Divisibility Checker
  4. Modular Arithmetic Calculator
  5. Euler Totient Calculator
  6. Carmichael Function Calculator
  7. Multiplicative Order Calculator
  8. Chinese Remainder Theorem Calculator
  9. Diophantine Equation Solver
  10. Pell Equation Solver
  11. Perfect Number Checker

Special Number Explorers

Planned
  1. Happy Number Checker
  2. Armstrong Number Checker
  3. Kaprekar Number Calculator
  4. Aliquot Sequence Generator
  5. Mobius Function Calculator
  6. Liouville Function Calculator
  7. Legendre Symbol Calculator
  8. Jacobi Symbol Calculator

Combinatorics Tools

Planned
  1. Combination Generator
  2. Permutation Generator
  3. Partition Number Calculator
  4. Bell Number Calculator
  5. Stirling Number Calculator
  6. Catalan Number Calculator
  7. Derangement Calculator
  8. Inclusion Exclusion Calculator
  9. Binomial Distribution Calculator

Probability and Statistics Tools

Planned
  1. Mean Median Mode Calculator
  2. Standard Deviation Calculator
  3. Probability Calculator
  4. Normal Distribution Calculator
  5. Regression Calculator
  6. Ratio Calculator

Geometry Tools

Planned
  1. Triangle Calculator
  2. Circle Calculator
  3. Volume Calculator
  4. Surface Area Calculator
  5. Distance Calculator
  6. Angle Calculator
  7. Rectangle And Square Calculator
  8. Coordinate Geometry Calculator

Calculus Expansion

Planned
  1. Taylor Series Calculator
  2. Fourier Series Calculator
  3. Laplace Transform Calculator
  4. Double Integral Calculator
  5. Triple Integral Calculator
  6. Green Theorem Calculator
  7. Stokes Theorem Calculator
  8. Divergence Theorem Calculator
  9. Vector Calculator
  10. Line Integral Calculator
  11. Arc Length Calculator
  12. Surface Area Of Revolution Calculator
  13. Volume Of Revolution Calculator

Linear Algebra Tools

Planned
  1. Matrix Calculator
  2. Eigenvalue Calculator
  3. Gaussian Elimination Calculator
  4. Matrix Rank Calculator
  5. Matrix Trace Calculator
  6. Matrix Transpose Calculator
  7. LU Decomposition Calculator
  8. QR Decomposition Calculator
  9. Singular Value Decomposition Calculator
  10. Gram Schmidt Calculator

Matrix and Advanced Algebra

Planned
  1. Matrix Power Calculator
  2. Characteristic Polynomial Calculator
  3. Matrix Exponential Calculator

Functions and Graph Tools

Planned
  1. Function Domain Calculator
  2. Function Range Calculator
  3. Function Transformation Calculator
  4. Even Odd Function Checker
  5. Periodicity Calculator
  6. Monotonicity Calculator
  7. Concavity Calculator
  8. Complex Number Plotter
  9. Complex Function Plotter

Visualization Tools

Planned
  1. Graphing Calculator
  2. Parametric Equation Plotter
  3. Polar Equation Plotter
  4. 3D Surface Plotter
  5. Fractal Generator
  6. Chaos Sequence Explorer
  7. Cellular Automata Simulator
  8. Function Plot Explorer

Logic and Proof Tools

Planned
  1. Mathematical Induction Helper
  2. Proof Checker
  3. Truth Table Generator
  4. Boolean Algebra Simplifier
  5. Logic Expression Calculator
  6. Set Theory Calculator
  7. Venn Diagram Generator
  8. Cartesian Product Calculator
  9. Relation Property Checker

Graph Theory Tools

Planned
  1. Graph Theory Calculator

Our mission

Make mathematical calculations easier to perform and explore through focused tools for individual problems and concepts.

Who can use the tools?

Students, teachers, exam candidates, developers, researchers, and anyone who needs help checking or exploring a mathematical calculation.

A growing directory

The collection includes tools hosted on Summe.org and clearly identified specialist calculators hosted by other mathematics websites.

Explore the mathematics calculator directory

Choose a calculator from the live directory and explore related topics. The collection includes summation, calculus, number theory, algebra, combinatorics, numerical methods, matrix analysis, recurrence relations, and advanced mathematical operations. External tools open on their respective host websites.

Contact Summe.org

Email: admin@summe.org

Send suggestions, corrections, bug reports, or collaboration inquiries.

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