Math, Science & Engineering
A complete collection of scientific and engineering calculation tools for students, educators, professionals, and enthusiasts. From basic unit conversions to advanced physics simulations, financial calculations, and specialized engineering tools. Solve equations, convert measurements, calculate loan payments, simulate physical phenomena, balance chemical equations, design electrical circuits, and estimate construction costs—all with accuracy and ease.
Count significant figures in any number, round to specified sig figs, and perform arithmetic with proper significant figure rules.
Calculate slope, midpoint, and distance between two points on a coordinate plane with step-by-step solutions and visual graph.
Calculate sine, cosine, tangent and their inverse functions instantly. Switch between degrees and radians with exact values for special angles.
Calculate combinations (nCr) and permutations (nPr) instantly with step-by-step solutions for probability and counting problems.
Generate arithmetic, geometric, Fibonacci sequences and custom formulas. Calculate nth term, sum, and explore number patterns.
Solve ratio and proportion problems instantly. Simplify ratios, find missing values in proportions, convert to fractions and percentages, or divide amounts by ratio.
Calculate derivatives of mathematical functions instantly with detailed step-by-step solutions showing each differentiation rule applied.
Solve linear, quadratic, and systems of equations with detailed step-by-step solutions instantly.
Calculate mean, median, mode, standard deviation, variance, and more from any dataset with step-by-step solutions.
Plot mathematical functions on an interactive coordinate plane. Visualize equations with zoom, pan, and real-time coordinate tracking.
Perform matrix operations including addition, subtraction, multiplication, transpose, determinant, inverse, and power calculations.
Calculate area, perimeter, volume, and surface area for 2D and 3D shapes. Supports circles, rectangles, triangles, cubes, spheres, cylinders, and more.