Mathematics & Algebra

Solve linear equations, quadratics, calculus derivatives, integrals, trigonometric functions, and arithmetic sequences.

Basic Calculator

Perform quick arithmetic, addition, subtraction, multiplication, and division with memory registers and keyboard support.

arithmetic

Scientific Calculator

Calculate advanced trigonometry, logarithms, exponentials, factorials, and powers directly in your browser.

algebra

Percentage Increase & Decrease Calculator

Calculate percentage increase, percentage decrease, and relative percentage change between two values.

percentage

Quadratic Equation Solver

Solve quadratic equations ax² + bx + c = 0 with real and complex roots, discriminant, and parabola vertex.

algebra

Percentage Decrease Calculator

Calculate the exact percentage drop and absolute difference between an original and decreased value.

percentages

Percentage Difference Calculator

Compare two non-directional positive numbers and determine their relative percentage difference.

percentages

Rule of Three & Cross Multiplication Calculator

Solve direct and inverse proportion equations instantly via cross-multiplication.

proportions

Prime Number Checker & Factorizer

Test integers for primality and inspect full prime factorizations up to 15 digits.

number-theory

Rounding & Significant Figures Calculator

Round decimals and format scientific measurements to required significant figures.

precision

Arithmetic & Geometric Progression Calculator

Calculate nth terms, common differences/ratios, and series sums for AP and GP progressions.

sequences

Trigonometry & Triangle Solver (SSS, SAS, ASA)

Solve triangles using Law of Sines, Law of Cosines, and Heron's formula.

geometry

Calculus Derivative & Definite Integral Calculator

Compute polynomial symbolic derivatives and numerical definite integrals via Simpson's rule.

calculus

2x2 & 3x3 Matrix Operations Calculator

Calculate matrix determinants, inverse matrices, transposes, and matrix multiplications.

linear-algebra

2D & 3D Distance and Midpoint Calculator

Find Euclidean distance, midpoint, and vector direction between coordinates in 2D and 3D space.

geometry

Polynomial Roots & Quadratic Vertex Solver

Solves quadratic polynomial equations ax² + bx + c = 0 with real and complex roots, discriminant, and parabola vertex.

algebra

Linear Equation Solver

Solve single-variable linear equations of the form ax + b = c with full arithmetic step verification.

algebra

Fraction Decimal & Mixed Numbers Calculator

Convert seamlessly between proper fractions, improper fractions, decimals, and mixed numbers with reduction.

arithmetic

GCD, HCF & Prime Factorization Calculator

Calculate Greatest Common Divisor (GCD), Highest Common Factor (HCF), Least Common Multiple (LCM), and prime factor decompositions.

number-theory

Logarithm & Natural Log (ln) Calculator

Calculate common logarithm (log10), natural log (ln), binary log (log2), and custom base logarithms with antilogs.

algebra

Standard Form & Scientific Notation Converter

Convert large and small numbers between standard scientific notation, engineering notation, and decimal format.

arithmetic

Factorial, Permutation & Combination Calculator (nPr, nCr)

Calculate factorials (n!), permutations (nPr), and combinations (nCr) with order significance explanation.

combinatorics

Unit Circle & Trigonometric Functions Calculator

Evaluate sin, cos, tan, sec, csc, cot, radians, degrees, and unit circle coordinate points (x, y).

trigonometry