This eBook titled ’Useful Maths Formulae and Tables’ is prepared as reference for Mathematics Students and Teachers (High School and College), Engineering students, Engineers, Architects, Technicians etc. I have tried to present useful basic Mathematics formulae and tables as follows: Mathematics Signs Standard Formulae of Indices, logarithm, Cross multiplication, Properties of Exponential, Permutation and Combination, Binomial theorem etc Arithmetic and Geometric Progression, Areas of Plane figures and Volumes of solids of different types, Regular Polygons table Algebra and Trigonometry formulae Calculus: Differentials, Integrals, Hyperbolic functions Useful conversion tables of CGS and Metric Systems Logarithm and Anti-logarithm tables Multiplication factors for conversion of units etc. I hope this eBook will be worth for those who have reference from above subjects. Suggestions for further improvements of this eBook are welcome from the users. Thanks, Vijaykumar Pillai