What summe.org is about
summe.org is built for people who need practical mathematics tools without distraction. Instead of a generic calculator site, it focuses on a carefully organized family of pages around summation, calculus, number theory, algebra, statistics, geometry, matrices, and visual math.
The purpose is simple: give users a place where common and advanced math problems can be understood and solved quickly. Every tool category can be expanded into step-by-step pages, formulas, examples, interactive outputs, and search-friendly content.
The site also works well as a learning resource, because it can explain the idea behind each tool in plain language before showing the result. That makes it useful for students, teachers, and anyone who wants to check math by hand or online.
Site focus
- Summation and sigma notation
- Derivatives and integrals
- Sequences, series, and recurrence relations
- Number theory and special number tests
- Algebra, geometry, probability, and statistics
- Matrix algebra, vector calculus, and visualization
- Logic, proof, and set theory helpers
Mission
Make mathematics easier to search, understand, and use by offering one place for a large collection of focused tools, especially tools that solve a real problem or explain a concept clearly.
Who it helps
Students, exam takers, teachers, developers, researchers, and anyone who wants fast help with math questions, formulas, or visualization.
Tool catalog
All current tools grouped by topic. Total shown below is based on the catalog in this page.
Summation Tools
- Sum Series
- Sigma Calculator
- Sum Of Powers
- Triangular Number
- Sum Primes Range
- Fibonacci Sum
- Sum With Conditions
- Factorial Sum
- Sum Divisors
- Cumulative Sum
- Consecutive Sum Finder
- Sum Odd Numbers
- Lucas Sum
- Sum Of Cubes
- Sum Of Squares
- Binomial Sum
- Pascal Row Sum
- Sum Even Numbers
- Summation Puzzle
- Summation Proof
Derivatives Tools
- Derivative Calculator
- Higher Order Derivative
- Partial Derivative
- Derivative At Point
- Implicit Differentiation
- Logarithmic Exponential Derivative
- Trigonometric Derivative
- Derivative Graph Plotter
Integration Tools
- Indefinite Integral
- Definite Integral
- Integration By Substitution
- Integration By Parts
- Trigonometric Integral
- Partial Fraction Integral
- Numerical Integration
- Improper Integral
Core Math Tools
- Pascal Triangle
- Magic Square
- Digital Root
- Mod9 Checker
- Addition Chains
- Number Partition
- Hyperoperation
Advanced Algebra Tools
- Linear Equation Calculator
- Quadratic Equation Calculator
- Polynomial Calculator
- System Of Equations Calculator
- Inequality Solver
- Rational Expression Simplifier
- Completing The Square Calculator
- Algebraic Identity Checker
- Expansion Calculator
Expression and Formula Tools
- Expression Evaluator
- Absolute Value Calculator
- Radical Simplifier
- Exponent Calculator
- Logarithm Calculator
- Change Of Base Calculator
- Function Composition Calculator
- Inverse Function Calculator
Sequence and Series Tools
- Arithmetic Sequence Generator
- Geometric Sequence Generator
- Recursive Sequence Calculator
- Sequence Convergence Checker
- Sequence Limit Calculator
- Series Convergence Test Calculator
- Alternating Series Calculator
- Power Series Calculator
- Generating Function Calculator
- Recurrence Relation Solver
Number Theory Tools
- Prime Number Calculator
- Greatest Common Divisor Calculator
- Least Common Multiple Calculator
- Factorization Calculator
- Divisibility Checker
- Modular Arithmetic Calculator
- Euler Totient Calculator
- Carmichael Function Calculator
- Multiplicative Order Calculator
- Chinese Remainder Theorem Calculator
- Diophantine Equation Solver
- Pell Equation Solver
- Perfect Number Checker
Special Number Explorers
- Happy Number Checker
- Armstrong Number Checker
- Kaprekar Number Calculator
- Aliquot Sequence Generator
- Mobius Function Calculator
- Liouville Function Calculator
- Legendre Symbol Calculator
- Jacobi Symbol Calculator
Combinatorics Tools
- Combination Generator
- Permutation Generator
- Partition Number Calculator
- Bell Number Calculator
- Stirling Number Calculator
- Catalan Number Calculator
- Derangement Calculator
- Inclusion Exclusion Calculator
- Binomial Distribution Calculator
Probability and Statistics Tools
- Mean Median Mode Calculator
- Standard Deviation Calculator
- Probability Calculator
- Normal Distribution Calculator
- Regression Calculator
- Fraction Calculator
- Percentage Calculator
- Ratio Calculator
- Scientific Calculator
Geometry Tools
- Triangle Calculator
- Circle Calculator
- Volume Calculator
- Surface Area Calculator
- Distance Calculator
- Angle Calculator
- Rectangle And Square Calculator
- Coordinate Geometry Calculator
Calculus Expansion
- Limit Calculator
- Taylor Series Calculator
- Fourier Series Calculator
- Laplace Transform Calculator
- Differential Equation Solver
- Directional Derivative Calculator
- Gradient Calculator
- Divergence Calculator
- Curl Calculator
- Critical Point Calculator
- Arc Length Calculator
- Surface Area Of Revolution Calculator
- Volume Of Revolution Calculator
- Line Integral Calculator
Multivariable and Vector Tools
- Double Integral Calculator
- Triple Integral Calculator
- Green Theorem Calculator
- Stokes Theorem Calculator
- Divergence Theorem Calculator
- Vector Calculator
- Vector Field Plotter
- Gradient Field Visualizer
Linear Algebra Tools
- Matrix Calculator
- Eigenvalue Calculator
- Gaussian Elimination Calculator
- Matrix Rank Calculator
- Matrix Trace Calculator
- Matrix Transpose Calculator
- LU Decomposition Calculator
- QR Decomposition Calculator
- Singular Value Decomposition Calculator
- Gram Schmidt Calculator
Matrix and Advanced Algebra
- Matrix Power Calculator
- Characteristic Polynomial Calculator
- Matrix Exponential Calculator
- Jacobian Matrix Calculator
- Hessian Matrix Calculator
Functions and Graph Tools
- Function Domain Calculator
- Function Range Calculator
- Function Transformation Calculator
- Even Odd Function Checker
- Periodicity Calculator
- Monotonicity Calculator
- Concavity Calculator
- Complex Number Plotter
- Complex Function Plotter
Visualization Tools
- Graphing Calculator
- Parametric Equation Plotter
- Polar Equation Plotter
- 3D Surface Plotter
- Fractal Generator
- Chaos Sequence Explorer
- Cellular Automata Simulator
- Function Plot Explorer
Logic and Proof Tools
- Mathematical Induction Helper
- Proof Checker
- Truth Table Generator
- Boolean Algebra Simplifier
- Logic Expression Calculator
- Set Theory Calculator
- Venn Diagram Generator
- Cartesian Product Calculator
- Relation Property Checker
Graph Theory Tools
- Graph Theory Calculator