Post-Release Stretch Goals

A vertical menu interface for desktop web browsers
Presets
Timer modifier
Ability to change modifier order
Optimize updates by pre-processing modifiers that come before and after the currently selected one
Custom Vertical Scrollbar
Selected modifiers highlight parts of the final equation that they modify
Support for Polar Coordinates
Support for Parametric Functions
Alternative mesh outline method
Support for seamlessly switching to perspective view
Support for using g(x, y) instead of {expr} in custom expression modifier
Latex rendering of equations (only in places where it doesn't update often i.e. custom expression modifier)
Axis labels & ticks
3D Model Export
Scene Color Palette Options
Unit Tests
End-to-End Tests
Plotting multiple surfaces at the same time

Accessibility Goals

Issues on iOS Safari:
- Missing Grid Box
- Being able to overscroll the entire page
- Being able to zoom where you aren't supposed to
Missing alt-text / screen reader labels for:
- AppCanvas (with an up-to-date label for the displayed equation)
- '?' Button
- Button that opens the menu
- Main Menu buttons
- Back button
- Delete button
- Axis Toggle button
- Modifier chain buttons
- Config Menu
  - Polygon Count Slider
  - Grid Division Slider
  - Surface Size Slider
- About Pop-up
  - "X" (close) button
  - demo1.gif
  - demo2.gif
  - demo3.gif
- Specific Modifier Pages:
  - Identity
    - Slider
  - Parabola
    - Slider 1
    - Slider 2
  - Cubic
    - Slider 1
    - Slider 2
  - Absolute Value
    - Slider 1
    - Slider 2
  - Step
    - Slider 1
    - Slider 2
  - Wave
    - Slider 1
    - Slider 2
  - Wave2
    - Slider 1
    - Slider 2
  - Sign
    - Slider
  - Transform
    - Reflect (Toggle Switch)
    - Slider
  - Custom Expression
    - Text Input Field