Get instant access to over 1,500+ video lessons in basic math, algebra, calculus, physics, chemistry, engineering, and statistics. With over 500 hours of step-by-step instruction, you can learn at your own pace and master any subject in no time. Our unique approach to learning involves solving example problems step-by-step, which helps you gain practice and perform calculations with ease. Every lesson is designed to teach you how to solve problems, not just memorize formulas. Plus, all classes are taught assuming you have no prior knowledge of the subject, so you can start from scratch. Whether you're struggling with basic math or advanced courses like electrical engineering or mechanical engineering, our method is the fastest way to truly master the material. With our comprehensive curriculum, you'll be able to tackle even the toughest subjects with confidence. Here's a sneak peek at what's included: - Basic Math (Arithmetic): addition, subtraction, multiplication, division, fractions, ratio, proportion, percents, and word problems. - Algebra 1 and 2: real numbers, integers, rational numbers, algebraic fractions, simplifying expressions, solving equations, multi-step equations, graphing, and quadratic functions. - Geometry: lines, rays, planes, quadrilaterals, surface area, volume, prisms, parallel lines, geometric theorems, proofs, circles, and circumference. - College Algebra: rational functions, shifting functions, sequences, series, matrix algebra, and summation. - Trigonometry & PreCalculus: imaginary numbers, complex numbers, unit circle, sin, cos, tan, trig identities, exponential functions, logarithmic functions, and trig equations. - Calculus 1: limits, derivatives, integrals, techniques of integration, substitution, improper integrals, and curve sketching. - Calculus 2: integration by parts, integration by trig substitution, sequences, series, convergence, and implicit differentiation. - Calculus 3: partial derivatives, line integrals, surface integrals, directional derivatives, Green's theorem, and Stokes theorem. - Differential Equations: solving differential equations, graphing solutions, and systems of equations. - Calculator Tutorials: Texas Instruments TI-84 and TI-89 graphing calculator tutorials. - Physics 1: motion, projectile motion, torque, momentum, work, energy, friction, fluids, and pressure. - Physics 2: temperature, heat, thermodynamics, waves, and simple harmonic motion. - Physics 3: electricity, magnetism, Maxwell's equations, electric field, and magnetic field. - Chemistry: atoms, compounds, chemical reactions, stoichiometry, gas laws, and redox reactions. - Probability & Statistics: sampling statistics, central limit theorem, hypothesis testing, linear regression, correlation, and ANOVA. - Electrical Engineering: circuit analysis, node voltage, mesh current, dependent sources, Thevenin circuits, phasors, and 3-phase circuits. - Mechanical Engineering: statics, vector mechanics, equilibrium, and forces. - Engineering Math: linear algebra, Laplace transform, and matrices. - Java Programming: objects, classes, for loops, while loops, variables, and methods. - Matlab, MS Word, and MS Excel tutorials. - Science Experiments: a collection of experiments to help you learn by doing. Our app features include: - Marking favorite lessons for later viewing. - A recently watched videos list. - A search function to find any topic. - Featured courses and recently released courses. - Worksheets for selected courses. - Sharing lessons via email and social media. Don't let math hold you back - learn any subject fast with our step-by-step approach. Our lessons have helped thousands of students achieve success, and we're confident they can do the same for you. Subscription information: - Most lessons in the app are free. - For $19.99 a month, you'll get access to all 1,500+ lessons and courses. - Your subscription will automatically renew at $19.99 each month, billed through your account. - You can cancel anytime by turning off auto-renew in your account settings. - The subscription automatically renews every month unless auto-renew is turned off at least 24 hours before the end of the current period. - No cancellation of the current subscription is allowed during the active subscription period. Read our terms of service and privacy policy for more information.