Math & Statistics
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- 3D Coordinate Distance CalculatorCalculate 3D Euclidean distance d = √((x₂ - x₁)² + (y₂ - y₁)² + (z₂ - z₁)²) between two points.
- 3D Midpoint CalculatorCalculate 3D midpoint coordinates ((x₁+x₂)/2, (y₁+y₂)/2, (z₁+z₂)/2) between two points.
- Advanced Arithmetic Mean CalculatorHigh-precision arithmetic mean computation with detailed statistical summary outputs.
- Annulus (Circular Ring / Washer) Area CalculatorCalculate the surface area of a circular ring (annulus) A = π × (R² - r²) between outer and inner radii.
- Arithmetic Sequence Nth Term CalculatorCalculate the n-th term of an arithmetic progression aₙ = a₁ + (n - 1) × d from first term and common difference.
- Arithmetic Sequence Sum Calculator (Sₙ)Calculate the sum Sₙ = (n / 2) × (2a₁ + (n - 1) × d) of the first n terms of an arithmetic progression.
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- Coprime (Relatively Prime) CheckerCheck whether two integers a and b are coprime (share no common factors other than 1: GCD = 1).
- General Triangle Solver (SSS, SAS, ASA, AAS)Solve all unknown sides and angles of any general oblique triangle from 3 known measurements.
- Linear Equation Solver (ax + b = 0)Solve single-variable linear algebraic equations ax + b = 0 for x = -b / a.
- Polynomial Evaluator (Horner Algorithm)Evaluate any polynomial P(x) = aₙxⁿ + ... + a₁x + a₀ at a specific point x using Horner's efficient method.
- Quadratic Equation Solver (ax² + bx + c = 0)Solve quadratic equations ax² + bx + c = 0 using the quadratic formula, computing real and complex roots.
- Slope-Intercept Form Solver (Given Slope & Point)Derive slope-intercept line equation y = mx + b given known slope m and one point (x, y).