Faced with the conundrum of ever changing life, all of us yearn for a single formula which can solve the problem at hand. Recollecting the exact formula that would help in navigating the labyrinth of a problem is the perpetual problem. This really stares at us in the face when trying for competitive examinations and mostly in Mathematics where quantitative ability bodes importance. This book gives quick glance at commonly needed formulae for Arithmetic, Algebra, Geometry, Trigonometry, Coordinate Geometry, and Statistics. The book is not only designed for the students and job aspirants but it is also a quick reference and handy guide for the teachers.Salient Features:15 Practical Tips to boost the performance levelConcise, relevant definitions to clear basic conceptsUseful axioms, theorems and their propertiesAttractive diagrammatic illustrationsEasy mnemonics for conversion of unitsAppendix containing mathematical constants, log tables and trigonometric tablesUsage of simple and lucid language CONTENTS: Introduction 15 Tips to Boost Your Performance 1. Arithmetic Formulae a) Number System b) Binary Number System c) Factors and Multiples d) Fraction and Decimal e) Square and Square root f) Cube and Cube root g) Mathematical Operation h) Percentage i) Profit and Loss j) Sales Tax and Discount k) Alligation and Mixture l) Interest m) Ratio and Proportion n) Time and Work o) Pipes and Cisterns p) Clocks and Calendar q) Speed, Distance and Time r) Train Problems s) Sequence and Progression t) Partnership u) Stocks and Shares 2. Algebra Formulae a) Surds and Indices b) Variation c) Polynomial d) Partial Fraction e) Algebraic Identity f) Equality and Inequality g) Linear Equation g) Age Problems h) Quadratic Equation i)Complex Number j) Matrices k) Determinant 3. Geometry Formulae a) Basics of Euclid's Geometry b) Line, Line Segment and Ray c) Angles d) Parallel and Perpendicular Lines e) Triangles f) Congruence of Triangles j) Similarity of Triangles h)Quadrilateral i) Circle j) Polygon 4. Trigonometry Formulae a) Periodicity in Trigonometric Functions 5. Coordinate Geometry a) Formulae b) Mensuration c) Basics of Coordinate Geometry d) Straight Line e) Conic Section f) Parabola g) Ellipse h) Hyperbola i) Circle j) Three Dimensional Coordinate Geometry k) Line in Space l) Plane m) Sphere 6. Statistics Formulae a) Permutation andc ombination b) Probability c) Binomial Theorem d) Average