Algebra - A branch of mathematics that studies the properties of variable numerical values ​​and general methods for solving problems using equations. Basic definitions, rules, formulas of algebra, examples on the use of formulas of algebra. The theory of algebra formulas: - Abbreviated Multiplication Formulas - Quadratic equations - Actions with roots - Actions with degrees - Biquadratic equations - Arithmetic root of natural degree - Degree with a rational indicator - Irrational equations - Irrational inequalities - The main properties of the function - Interval method - Exponential equations - Indicative inequalities - Systems of exponential equations and inequalities - Logarithms. Logarithm properties - Logarithmic equations - Logarithmic inequalities - Trigonometric formulas - Trigonometric functions - Trigonometric equations - The simplest trigonometric inequalities - Derivative. Geometric and physical meaning of the derivative - Application of the derivative to the study of functions - Primitive - Integral. Calculation of areas using the integral