Math & Physics Calculators

Algebra calculator solves and simplifies equations in one or more variables. Covers linear, polynomial, and rational algebraic expressions.

Arithmetic calculator handles addition, subtraction, multiplication, and division. Follows PEMDAS precedence and accepts decimal inputs.

Triangle calculator finds area, perimeter, and all angles using law of sines. Covers equilateral, isosceles, scalene, and right triangles.

Circle calculator solves area (πr²), circumference (2πr), arc length, and sector area. Enter radius, diameter, or circumference as input.

Rectangle calculator finds area, perimeter, and diagonal (√(l²+w²)) from two sides. Supports squares and computes aspect ratio as a bonus.

Sphere calculator finds surface area (4πr²) and volume (4/3πr³) from the radius. Also outputs hemisphere surface area and volume values.

Cylinder calculator solves volume (πr²h) and surface area from radius and height. Supports open-top and hollow cylinder configurations too.

Pythagorean theorem calculator solves a²+b²=c² for any missing side or diagonal. The 3-4-5 multiplier squares building corners on site.

Polygon calculator finds interior angles, area, and perimeter for any regular n-gon. Also outputs apothem, circumradius, and diagonal count.

Probability calculator finds single-event odds and compound P(A∩B)/P(A∪B). Covers independent, dependent, and conditional event scenarios.

Statistics calculator computes mean, median, mode, variance, and standard deviation. Returns quartiles, IQR, and z-scores for each value.

Permutation and combination calculator solves nPr and nCr using factorials. Returns ordered permutation and unordered combination counts.

Standard deviation calculator computes population σ and sample s with variance. Shows sum of squares and a per-point deviation breakdown.

Force calculator applies Newton's second law F=ma to find force, mass, or acceleration. Covers weight force F=mg and resultant net force.

Energy calculator finds kinetic energy (½mv²) and gravitational potential energy (mgh). Also covers elastic potential energy using E=½kx².

Velocity calculator solves v=d/t and kinematics for accelerated motion. Finds final speed, displacement, or time from any two given values.

Acceleration calculator solves a=(v-u)/t for linear motion and a=F/m via F=ma. Handles deceleration and standard gravity g as input options.

Momentum calculator finds p=mv and impulse J=Δp for collision problems. Covers elastic and inelastic collisions with momentum conservation.

Work calculator evaluates W=Fd·cosθ for force at any angle over a displacement. Outputs results in joules, foot-pounds, and electron-volts.

Power calculator solves P=W/t and P=Fv for watts and horsepower output. Electrical power P=VI and mechanical efficiency are also covered.

Projectile motion calculator finds range, max height, and flight time. Uses kinematic equations with constant gravity and no air resistance.

Ohm's law calculator solves V=IR for voltage, current, and resistance. Computes power P=IV and covers series and parallel resistance.

Power factor calculator finds cos(φ) from real (kW), apparent (kVA), and reactive power. Covers single-phase and three-phase AC systems.

Quadratic solver finds roots of ax²+bx+c=0 via the quadratic formula. Shows discriminant, vertex, axis of symmetry, and complex roots.

Linear equation solver finds x in ax+b=c and two-variable systems. Supports decimal, fractional, and negative coefficients with steps.

System of equations solver handles 2×2 and 3×3 systems via Gaussian elimination. Detects inconsistent and dependent systems automatically.

Cubic equation solver finds roots of ax³+bx²+cx+d=0 using Cardano's formula. Returns all real and complex roots with discriminant analysis.

Trigonometry calculator evaluates sin, cos, tan, csc, sec, and cot for any angle. Computes arcsin, arccos, and arctan in degrees or radians.

Right triangle calculator solves sides and angles using SOH-CAH-TOA and a²+b²=c². Enter any two values to get area, hypotenuse, and angles.