Mathematics Online Courses & Lessons for 9th-12th Grade students. Learn Mathematics Choose your Source Improve your problem solving skills, critical thinking, and reasoning Khan Academy Swayam Central Khan Academy Courses Algebra Introduction to Algebra Basic equations & inequalities Linear equations, functions, & graphs Sequences System of equations Two-variable inequalities Functions Absolute value equations, functions Quadratic equations & functions Polynomial equations & functions Exponential & logarithmic functions Radical Equations and functions Rational equations & functions Trigonometric functions Algebraic modeling Complex numbers Conic sections Series & induction Vectors Matrices Geometry Lines Angles Shapes Triangles Quadrilaterals Coordinate plane Area and perimeter Volume and Surface Area Pythagorean theorem Transformations Congruence Similarity Trigonometry Circles Analytic geometry Geometric constructions Miscellaneous Matrices Statistics and Probability Analyzing categorical data Comparing quantitative data Summarizing quantitative data Modeling data distributions Bivariate numerical data Study design Probability Permutations, and combinations Random Variables Sampling Distributions Confidence intervals Significance Tests Two-sample inference Chi-square tests Advanced regression Analysis of variance Calculus Differential Calculus Integral Calculus Calculus 1 Calculus 2 Multivariable calculus Swayam central Mathematics XI Part-I Mathematics XI Part-II Mathematics XII Part-I We strive to make Digital Education Free So, let's Work Together Contact Us