# HP 50g Equation Library

The HP 50g Equation Library consists of 15 subjects corresponding to the sections in the table below and more than 100 titles. On the HP 50g, there are 315 equations in total using 396 variable:

HP 50g on Algebraic Mode: To access the Library, press [APPS] key (top 2nd row, 1st key from the left). Scroll down to the 12. Equation L... option, press [ENTER] key. Under the EQN Library Menu, select "1. EQN Library..." and press [ENTER] key. And under the EQN LIB MENU, select "EQNLIB" and press [ENTER] key. The command EQNLIB() would appear. Press [ENTER] to run.

HP 50g on RPN Mode: To access the Library, press [APPS] key (top2nd row, 1st key from the left). Scroll down to the 12. Equation L...option, press [ENTER] key. Under the EQN Library Menu, select "1. EQNLibrary..." and press [ENTER] key. And under the EQN LIB MENU, select"EQNLIB" and press [ENTER] key.

To access HP 50g Equation Lib: Enter EQNLIB() and press Enter.

The following Equation Library subjects will be displayed.

Press Enter, and further list will be displayed.

Press Enter to select Elastic Buckling, and press PIC to display equation diagram.

Press NUM SLV for Elastic Bucking solve equation form.

Columns and Beams

- Elastic Buckling
- Eccentric Columns
- Cantilever Deflection
- Simple Deflection
- Cantilever Slope
- Simple Slope
- Cantilever Moment
- Simple Moment
- Cantilever Shear
- Simple Sheer

Electricity

- Coulomb’s Law
- Capacitor Charge
- Ohm’s Law and Power
- DC Inductor Voltage
- Voltage Divider
- RC transient
- Current Divider
- RL transient
- Wire Resistance
- Resonant Frequency
- Plate Capacitor
- Series and Parallel R
- Series and Parallel C
- Series and Parallel L
- Cylindrical Capacitor
- Solenoid Inductance
- Capacitance Energy
- Toroid Inductance
- Inductive Energy
- Sinusoidal Voltage
- RLC Current Delay
- Sinusoidal Current
- DC Capacitor Current

Fluids

- Pressure at Depth
- Flow with Losses
- Bernoulli Equation
- Flow in Full Pipes

Forces and Energy

- Linear Mechanics
- ID Elastic Collisions
- Angular Mechanics
- Drag Force
- Centripetal Force
- Law of Gravitation
- Hooke’s Law
- Mass Energy Relation

Gases

- Ideal Gas Law
- Isentropic Flow
- Ideal Gas State Change
- Real Gas Law
- Isothermal Expansion
- Real Gas State Change
- Polytropic Processes
- Kinetic Theory

Heat Transfer

- Heat Capacity
- Conduction and Convection
- Thermal Expansion
- Conduction
- Black Body Radiation
- Convection

Magnetism

- Straight Wire
- B Field in Solenoid
- Force Between Wires
- Field in Toroid

Motion

- Linear Motion
- Circular Motion
- Object in Free Fall
- Terminal Velocity
- Projectile Motion
- Escape Velocity
- Angular Motion

Optics

- Law of Refraction
- Spherical Reflection
- Critical Angle
- Spherical Refraction
- Brewster’s Law
- Thin Lens

Oscillations

- Mass-Spring System
- Torsional Pendulum
- Simple Pendulum
- Simple Harmonic
- Conical Pendulum

Plane Geometry

- Circle
- Regular Polygon
- Ellipse
- Circular Ring
- Rectangle
- Triangle

Solid Geometry

- Cone
- Parallelepiped
- Cylinder
- Sphere

Solid State Devices

- PN Step Junctions
- Bipolar Transistors
- NMOS Transistors
- JFETs

Stress Analysis

- Normal Stress
- Stress on an Element
- Shear Stress
- Mohrs Circle

Waves

- Transverse Waves
- Sound Waves
- Longitudinal Waves

Updated On: 13.09.15