The ultimate reference for engineers.

General
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Volume, Surface, Density, Pressure & Temperature equations & tables
Flow Units, Length, Volume, Velocity converter tables
Periodic table
Acceleration, gravity, weight & mass equations & tables
Pumps & Horsepower
Moments of Inertia for different objects
Logarithms, Exponents, Radians & Mole
Trigonometric functions & Real Numbers Algebra

Mechanics
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American Standard Beams
American Wide Flange Beams
Area Moment of Inertia
Belts - Length, Speed, Power Transmissions & Efficiency
British Universal Columns & Beams
Center of Gravity
Center of Buoyancy
Density, Specific Weight & Specific Gravity
Elastic Properties & Young Modulus
Energy
Engineering Materials
Equilibrium
Force Ratio
Gear Trains
Gears
Steel Beams
Levers
Conservation of Momentum
Mass & Weight
Modulus of Rigidity
Moment of Section Conversions
Normal Flange I Beams
Poissons Ratio Metals
Power
Pulley Diameters & Speeds
Reliability of Machine Components
Rotating Shafts & Moments
Screw Jacks
Section Modulus Conversions
Stiffness
Stress, Strain & Young's Modulus
Stresses in Thin-Walled Tubes or Cylinders
Tension Increase in Ropes due to Angle
Torque - Work done & Power transmitted
Torsion of Shafts

Elec. Eng.
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Amps & Wire Gauge
Asynchronous Motors
AWG - American Wire Gauge & Circular Mils
AWG to square mm Wire Gauge Conversion
Capacitors
Circuit Wiring - Single & Three Phase Electrical Motors
Circular Mil Area
Conductors
Converting from NEMA to IEC Enclosure Classifications
Copper Wire
Electrical Formulas
Electrical Motor
- Full Load Current
- Efficiency
- Frame Dimensions
- Locked Rotor
- Efficiency Ratings
- Hp & Amps
- HP, Torque & RPM
- Insulation Classes
- Starting Devices
- Heat Loss
Electrical Units
Electrode Potential & Galvanic Corrosion
Frequency & Speed of Electrical Motors
IEC - NEMA Standard Torques
IEC Duty Cycles
Inductance
Ingress Protection Ratings
Kirchhoff's Laws
KVA
Motor Wiring Data
NEMA A, B, C & D Design
NEMA Electrical Enclosure Types
NEMA Enclosure Standards of Electrical Motors
NEMA Insulation Classes
Nema Starters
Parallel Circuits
Potential Divider
Power & Horsepower in Electrical Motors
Power Factor for a Three-Phase Electrical Motor
Rechargeable Batteries
Resistance & Resistivity
Resistivity, Conductivity & Temperature Coefficients
Series Circuits
Service Factor
Single Phase Power Equations
Slip in Electrical Induction Motors
Speed of Electrical Motors with operating Loads
Synchronous & Full Load Speed
Synchronous Speed of Electrical Motors
Three Phase Power Equations
Three-Phase Electrical Motors
Torques in Electrical Induction Motors
Transformers
Variable-Frequency Drives
Voltage Drop
Voltage Imbalance & Derating Factor
Wire Gauges

Pumps
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- Alternating Pumps
- Best Efficiency Point - BEP
- Boiling Fluids
- Cavitation
- Centrifugal Pump Speed
- Centrifugal Pumps
- Classifications of Pumps
- Condensate Pumping
- Converting Pump Head to Pressure
- Dynamic, Absolute and Kinematic Viscosity
- Equation of Mechanical Engineering
- Head Rise and the Energy Equation
- Light Oils - Recommended Suction Flow Viscosity
- NEMA Frame Assignments
- Positive Displacement Pumps
- Power Gained by Fluid
- Pump Affinity Laws
- Pump and Fan Efficiency
- Pumping Boiling Liquids - Delivery Flow Velocities
- Pumping Light Oils - Delivery Flow Velocities
- Pumping Water - Horsepower Requirements
- Pumps - Specific Suction Speed
- Pumps, Fans and Turbines
- Shut-off Head
- Specific Speed
- Specific Work of Turbo Machines
- Suction Flow Velocities of Water
- Suction Head Affected by Altitude
- Water Pumping Costs