Excellent maths resource site (ALGEBRA 2 and TRIGONOMETRY) including PowerPoints - quality explanations and progressions. Topics covered -*1*OPERATIONS*2*Radicals*4*Negative and Fractional Exponents*4*Complex Numbers*1*VARIABLES AND EXPRESSIONS*2*Factoring Polynomials*4*Rational Expressions*4*Complex Fractions*4*Multiple Choice Practice - Topic:  Variables and Expressions*1*EQUATIONS AND INEQUALITIES*2*Absolute Value Equations*4*Absolute Value Inequalities*4*Complete the Square*4*Quadratic Equations, Discriminant, Quadratic Formula*4*Sum and Product of Roots of a Quadratic Equation*4*Linear Quadratic Systems*4*Quadratic Inequalities*4*Direct and Inverse Variation*4*Exponential Expressions and Equations*4*Logarithmic Expressions and Equations*4*Radical Equations, Rational Equations and Inequalities*4*Solving and Graphing Polynomials Equations of Higher Degree*4*Multiple Choice Practice - Topic:  Equations and Inequalities*1*PATTERNS, FUNCTIONS AND RELATIONS*2*Sequences*4*Sigma Notation and Series*4*Arithmetic and Geometric Sequences and Series*4*Recursive Sequences*4*Binomial Theorem, Relations and Functions*4*Composition of Functions*4*Inverse Functions*4*Exponential and Logarithmic Functions*4*Transformations with Functions*4*Multiple Choice Practice - Topic:  Patterns, Functions and Relations*1*COORDINATE GEOMETRY*2*Equations of Circles*4*(Note-  Graphs pertaining to polynomials, general functions, exponential functions,*4*and logarithmic functions can be found under those topics)*1*TRIGONOMETRIC/TRIGONOMETRY FUNCTIONS*2*Six Trigonometric Functions*4*Reciprocal Functions, Finding Angles in Trigonometry on the TI-84 Calculator*4*Special Right Triangles*4*Reference Angles and Triangles*4*Unit Circle and Generating Trigonometric Graphs*4*Co-functions*4*Graphing Trig Functions*4*Inverse Trig Functions and Graphs*4*Pythagorean Identities*4*Trigonometric Equations*4*Law of Sines and Law of Cosines*4*Area of Triangle and Parallelogram Using Trigonometry*4*Angle Sum and Difference, Double Angle, Half-Angle Formulas*4*Multiple Choice Practice - Topic:  Trigonometric Functions *1*MEASUREMENT*2*Arc Length and Radian Measure*1*STATISTICS AND PROBABILITY*2*Statistical Studies, Central Tendency and Dispersion*4*Normal Distribution*4*Regression Analysis*4*Permutations and Combinations*4*Theoretical and Empirical Probabilities*4*Binomial Probability (Bernoulli Trials) - Exactly, At Least, At Most*4*Multiple Choice Practice - Topic:  Statistics and Probability*4**4**4*Useful for teachers of Maths/Mathematics.