Mathematics
Calculus, algebra, geometry, linear algebra, differential equations and trigonometry.
16 simulations →Difficult concepts become experiments.
Explore interactive explanations for mathematics, statistics, physics, computer science, economics and chemistry. Change variables, test ideas and see why the model behaves the way it does.
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Physics
Mechanics, electricity, waves, optics, thermodynamics, relativity, astronomy, fields and nonlinear systems.
25 simulations →Statistics
Probability, distributions, regression, sampling, Bayesian inference, stochastic processes and statistical reasoning.
8 simulations →Computer Science & Technology
Algorithms, data structures, networking, operating systems, cryptography, computer architecture, digital logic, robotics and AI concepts.
20 simulations →Economics
Supply and demand, elasticity, market equilibrium, inflation, game theory, growth and quantitative economic models.
48 simulations →Chemistry
Atomic structure, bonding, equilibrium, kinetics, electrochemistry, thermodynamics, spectroscopy, solutions and reaction systems.
21 simulations →FEATURED INTERACTIVE EXPLANATIONS
138 concepts you can experiment with.
Math • Differential Equations
Predator,Prey Dynamics
Math • CalculusTaylor & Maclaurin Series Approximation
Math • GeometryConic Sections Explorer
Math • Fractals & Dynamical SystemsMandelbrot & Julia Sets
Math • Multivariable CalculusVector Fields & Particle Flow
Math • CalculusNewton's Method & Root Finding
Physics • Fluid MechanicsBernoulli’s Principle & Venturi Tube
Physics • Rotational DynamicsTorque & Rotational Equilibrium
Physics • ElectromagnetismFaraday’s Law & Electromagnetic Induction
Physics • ThermodynamicsCarnot Heat Engine & PV Diagrams
Physics • OscillationsSimple Harmonic Motion & Energy
Physics • Relativity & LightLight Travel Time
Statistics • Stochastic ProcessesMarkov Chains & State Transitions
Statistics • InferenceConfidence Intervals & Margin of Error
Statistics • InferenceHypothesis Testing & p-Values
Technology • RoboticsInverse Kinematics (2-DOF Robot Arm)
Technology • NetworkingTCP Sliding Window & Flow Control
Technology • Operating SystemsPage Replacement Algorithms (LRU, FIFO, Clock)
Technology • Data StructuresBinary Search Trees
Economics • MacroeconomicsKeynesian Cross, MPC & Equilibrium Output
Economics • Information EconomicsAdverse Selection, Insurance Markets & Market Unraveling
Economics • Environmental EconomicsCap and Trade, Permit Prices & Emissions Abatement
Chemistry • EquilibriumSolubility Product (Ksp) & Common Ion Effect
Chemistry • ElectrochemistryElectrolysis & Faraday's Laws
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