Mechanical Expressions Help

Contents

• Getting Started
  • Need Help?
    • Linked Text
• The Display and How It's Organized
  • The Status Bar
• Adjusting the Default Settings
  • Changing Background Color
• Setting the Mechanics Environment
• File Handling
  • Wookbooks and Individual .mx Files
• MathML
• Some Opening Examples
• Tools
  • Drawing
    • Using the Drawing Tools
    • Adding a Point
    • Adding Line Segments
    • Drawing Lines
    • Drawing Vectors
    • Drawing Polygons
    • Drawing Circles
    • Drawing Ellipses
    • Drawing Parabolas
    • Drawing Hyperbolas
    • Drawing Arcs
      • Curvilinear Polygons
    • Drawing Regular Polygons
    • Drawing Curve Approximations
    • Adding Text to the Drawing
      • Inserting and Editing Text
    • Using Pictures in the Drawing
    • Adding Expressions
    • Creating Functions
      • Cartesian Function
      • The Generic Function f(X)
      • Polar Function
      • Parametric Function
      • Piecewise Function
        • Piecewise Parametric Example
    • The Selection Arrow
      • Selecting Multiple Objects
      • Smartboard Mode
    • Adjusting the Drawing
  • Constraints
    • Using Drawing Constraints
      • Changing a Constraint
      • Distinguishing Constraints from Annotations
    • System Added Constraints
    • Constraint Conflicts
    • Distance / Length Constraint
    • Radius Constraint
    • Perpendicular Constraint
    • Angle Constraint
    • Direction Constraint
    • Slope Constraint
    • Coordinate Constraint
    • Constraining Vector Coeffecients
    • Tangent Constraint
    • Incident Constraint
    • Congruent Constraint
    • Parallel Constraint
    • Implicit Equation Constraint
    • Point Proportional Along a Curve Constraint
      • Where is Point proportional along curve for conics?
  • Constructions
    • Creating Constructions
    • Midpoints of Line Segments
    • Intersections
    • Perpendicular Bisector
    • Angle Bisector
    • Parallel Constructions
    • Perpendicular Constructions
    • Tangents
    • Polygon Construction
    • Reflection
    • Translation
    • Rotation
    • Dilation
    • Locus of Points / Envelope
    • Trace
    • Area Under the Arc
      • Integral Calculus
  • Annotations
    • Applying Annotations
      • Distance / Length Annotation
      • Radius Annotation
      • Perpendicular Annotation
      • Angle Annotation
      • Direction Annotation
      • Slope Annotation
      • Coordinate Annotation
      • Coefficients Annotation
      • Congruent Annotation
      • Congruent Angle Annotation
      • Parallel Annotation
      • Expression Annotation
  • Calculations
    • Calculating the Output
    • Distance / Length Calculation
    • Radius Calculation
    • Angle Calculation
      • Supplementary and Reflex Angles
    • Direction Calculation
    • Slope Calculation
    • Coordinates Calculation
    • Area Calculation
    • Perimeter Calculation
    • Coefficients Calculation
    • Calculating Parametric Equations
    • Calculating Implicit Equation
  • Mechanics Inputs
    • Applying Mechanics Inputs
    • Applied Force
    • Applied Torque
    • Mass
    • Moment
    • Spring - Damper - Actuator
    • Velocity - Acceleration
  • Mechanics Output
    • Viewing Mechanics Outputs
    • Reaction Force
    • Pin Reaction
    • Velocity - Acceleration
    • Resulltant Acceleration
    • Differential Equations
  • Output
    • Viewing the Output
      • Assumptions
      • Intermediate Variables
      • Show Output Check Boxes
      • Approximation
  • Symbols
    • Using Symbols
    • Built-In Functions
    • Multiplication & Division Editing Tools
    • Square Root Editing Tool
    • Subscript / Superscript Editor
    • Parentheses and Absolute Value Notation
    • Using the Piecewise Function
    • Using Annotation Symbols
  • Inserting Greek Letters
  • System Variables and Animation
    • Investigating Variables
    • Variables List
    • Functions List
    • Using the Lock Tool
    • Changing and Locking the Variable Value
    • Animation
    • Animation Console
    • Animation Modes
    • Animation Values and Duration
    • Animation and the Locus Tool
• Menus and Icons
  • File Menu
    • Exporting a Drawing
      • Exporting Image Files
      • Exporting HTML Files
      • Exporting Animation Files
      • Exporting JavaScript Files
        • Scaling the App
        • JavaScript Applet Example
        • JavaScript Animated Applet
        • Dynamic Simulations
          • The Brachistochrone Example
          • Trebuchet on Wheels Example
      • Creating OS X Dashboard Widgets
      • UI Types for Applets
    • Graphing Mode
  • Edit Menu
    • Copying Mathematics
      • Generating Source Code
      • Source Code Examples
    • Free Constraint to Accelerate
  • View Menu
    • Zooming and Scaling
  • Toolbox Menus
  • Help Menu
  • Context Menus
    • The General Context Menu
      • Toggling - Hide / Show Elements
    • Selection Context Menu
      • Visibility Condition
      • Editing the Color List
      • Tracing Points
      • Axes Display Properties
  • Tool Bar
• More About Mechanical Expressions
  • What's New in Mechanical Expressions
  • Where is the Mechanical Expressions Website?