Most users find that getting EES to provide basic operations such as solving equations, preparing tables, and creating plots is straightforward. However, EES is an extensive program with many capabilities. The best sources of information for learning how to use EES are:

• The Mastering EES ebook (This is the most extensive source of information.)
• On-line help (On-line help is also available in the program by pressing F1.)
• Please consider subscribing to our YouTube Channel (Each link below provides a short tutorial on the selected topic.)
• Click here to see an Overview of the EES Software
• Visit our online Course Catalog

Entering and Solving Equations

• Entering and Solving Equations - the Basics
• A First Example of Entering and Solving Equations
• Organizing your Solution with Key Variables
• Using EES Effectively
• Guess Values and Residuals
• The Variable Information Window and Palette
• Function Information and Help
• String Variables and Units
• The Formatted Equations Window
• Entering and Solving Equations - Advanced Features

Parametric Tables

• Creating and Solving Parametric Tables
• An Example of using a Parametric Table
• Formatting and Saving Parametric Tables
• Advanced Features of Parametric Tables

Plotting

• Generating a Plot
• An Example of Generating a Plot
• Modifying a Plot
• Additional Plot Features
• Making a Plot from a Parametric Table
• 3D Plots

Units

• Setting and Checking Units
• Suggested Method for Using Units and Alternate Units
• An Example of using Units
• Automatically Setting and Checking Units
• The Units List and Adding Units
• Units of Temperatures and Temperature Differences
• Using Strings for Units

Printing in EES

• The Print Command
• Printed Output in Latex and PDF

Using Arrays

• Introduction to Arrays
• The Array Editor
• The Duplicate Command and Purging Unused Variables

Lookup Tables

• Introduction to Lookup Tables
• Using Equations in the Lookup Table
• Working with Data in Lookup Tables

Vector Variables

• Assigning and Using Vectors
• Example solving a statics problem with vectors
• VectorDot and VectorCross Functions
• Example using VectorDot to decompose a vector into its components perpendicular and parallel to a vector
• Example using VectorCross to decompose a vector into its components perpendicular and parallel to a plane
• Plotting Vectors in EES
• Example showing how to make a Vector Plot
• Example showing how to use the $VectorPlot directive

Other Features

• Built-in Constants
• The Calculator Window
• The Residuals Window
• Preferences

Getting Started with Property Functions

• Setting Units for Property Functions
• The FluidType$ Function
• The Substance Information dialog Function
• Real Fluid Properties
• Real Fluid Property Functions
• Refrigerant Cycle Analysis Using Real Fluid Properties
• Additional Fluid Property Functions
• The RealFluidProps Procedure
• An Example of using EES for a Cycle Problem. Download the EES file.
• Reference States and the $Reference Directive
• Ideal Gas Properties
• Ideal Gas Properties
• The NASA Ideal Gas Library
• The Ideal Gas Reference State and Chemical Reactions
• Ideal Gas Mixture Properties from the IdealGasMixtureProps Procedure
• Psychrometric Properties
• Psychrometric Properties
• An Example Using Psychrometric Properties
• The PsychProps Procedure
• Property Plots
• Property Plots
• Psychrometric Plots and Brines
• Overlaying State Points on Property Plots
• Incompressible Substances
• Introduction to Incompressible Properties
• Adding Incompressible Properties
• Brine Properties
• Other Property Routines
• Ammonia-Water (NH3H2O) Property Functions
• Ammonia-Water Absorption Cycle Example
• The NASA Library
• The EES_REFPROP Interface

Functions and Procedures

• Introduction to Functions
• Logic Statements
• Introduction to Procedures
• Units in Functions and Procedures
• Arrays in Functions and Procedures

Integration and ODEs

• Introduction to Integration in EES
• The ODE Solver
• Solving Coupled ODEs

Curve fitting and Interpolation

• Curve Fitting Plotted Data
• Curve Fitting Data in Arrays and Lookup Tables
• Linear Regression menu command
• One-Dimensional Interpolation Functions

Optimization

• 1-D Optimization
• 1-D Optimization Example
• Multi-dimensional Optimization

Uncertainty Propagation

• Introduction to Uncertainty Propagation
• Additional Uncertainty Propagation Features
• Processing uncertainty for tables of data
• Designing Experiments
• DAQ and Instrument Uncertainty

Teaching with EES

• Using EES to make Canvas Quizzes Download the files.

The Diagram Window

• Introduction to the Diagram Window
  Download the EES file.
• An Exercise showing the basic features of the Diagram Window
  Download the EES file.
• Adding Graphics Objects to a Diagram Window
• An Exercise showing how to place and control graphics objects on the Diagram Window Download the graphics and EES files.
• Plots and the Diagram Window
  Download the EES file.
• Mapping a Stringlist to Equations
  Download the EES files.
• An Exercise showing how to build a GUI for a cycle model
  Download the graphics and EES files.
• Child Diagram Windows
• Buttons
• An Exercise showing how to use Child Diagram Windows
  Download the graphics and EES files.
• Links
• Text
• Tables
• An Exercise showing how to use Links, RTF, and Tables
  Download the data, graphics and EES files.

Using EES for Statics

• Example E3.1. Reactions and Force Polygon
• Example E3.2. Behavior of Cables, Bars, and Springs
• Example E3.3. Cables, Bars, and Failure Criteria
• Example E4.3. Calculating the Moment about a Line
• Example E4.4. Determination of an Equivalent Force System
• Example E5.2. 2-D Idealization of a 3-D problem