Differential equations apps

• first order equation direction field grapher
• separable equation direction field grapher
• logistic equation direction field grapher
• linear equation direction field grapher
• resonance app
• second order linear equation solver

Camera directions (only for first four apps)

• Rotate the camera by holding shift while clicking and dragging with mouse, or drag with two fingers on a touch screen.
• Pan, or move, the camera by clicking and dragging the mouse, or dragging one finger.
• Zoom by using pinch gesture, on track pad or touch screen.
• Straighten the camera using the button under the camera tab of the Options menu in upper right of the screen.