these small and frequently used formulas are often stay out of my mind so i search this book and i think it will be usefull for u also

Table of Contents--

Chapter 1:Definition and Abbreviations for Physical Quantities...........1

Chapter 2:Units of Physical Quantities.................................................3

Chapter 3:System of Units..................................................................23

Chapter 4:General Mathematical Formulae........................................27

4.1 Algebra..................................................................................27

4.2 Geometry...............................................................................29

4.3 Trigonometry.........................................................................39

4.4 Logarithm..............................................................................40

4.5 Exponents.............................................................................42

4.6 Complex Numbers................................................................42

Chapter 5:Engineering Concepts and Formulae................................44

5.1 Electricity...............................................................................44

5.2 Applied Mechanics................................................................57

5.2.1 Newton's laws of motion...........................................................57

5.2.2 Linear Velocity And Acceleration.............................................60

5.2.3 Force........................................................................................61

5.2.4 Centripetal (Centrifugal) Force.................................................62

5.2.5 Stress, Strain And Modulus Of Elasticity.................................64

5.3 Thermodynamics...................................................................64

5.3.1 Laws of Thermodynamics........................................................64

5.3.2 Momentum...............................................................................65

5.3.3 Impulse.....................................................................................65

5.3.4 Elastic and Inelastic collision....................................................65

5.3.5 Center of Mass.........................................................................65

5.3.6 Angular Motion.........................................................................65

5.3.7 Conditions of Equilibrium.........................................................65

5.3.8 Gravity......................................................................................66

5.3.9 Vibrations & Waves..................................................................66

5.3.10 Standing Waves.......................................................................66

5.3.11 Beats........................................................................................66

5.3.12 Temperature and Heat.............................................................67

5.3.13 Ideal Gases..............................................................................67

5.3.14 Elastic Deformation..................................................................68

5.3.15 Temperature Scales.................................................................68

5.3.16 Sensible Heat Equation............................................................68

5.3.17 Latent Heat...............................................................................68

5.3.18 Gas Laws.................................................................................68

5.3.19 Specific Heats Of Gases..........................................................69

5.3.20 Efficiency of Heat Engines.......................................................70

5.3.21 Heat Transfer by Conduction...................................................71

5.3.22 Thermal Expansion of Solids...................................................72

5.3.23 Chemical Heating Value of a Fuel...........................................72

5.4 Fluid Mechanics....................................................................77

5.4.1 Discharge from an Orifice........................................................77

5.4.2 Bernoullis Theory.....................................................................78

5.4.3 Actual pipe dimensions............................................................78

Chapter 6:References.........................................................................80

6.1 Periodic Table of Elements...................................................80

6.2 Resistor Color Coding...........................................................81