► |  | How to Design Programs Teachpacks

1 | Ht DP Teachpacks
2 | Ht DP/ 2e Teachpacks

▼ | 1 | Ht DP Teachpacks

1.1 | Manipulating Images: "image.ss"
1.2 | Simulations and Animations: "world.ss"
1.3 | Converting Temperatures: "convert.ss"
1.4 | Guessing Numbers: "guess.ss"
1.5 | Master Minding: "master.ss"
1.6 | Playing Master Mind: "master-play.ss"
1.7 | Simple Drawing: "draw.ss"
1.8 | Hangman: "hangman.ss"
1.9 | Playing Hangman: "hangman-play.ss"
1.10 | Managing Control Arrows: "arrow.ss"
1.11 | Manipulating Simple HTML Documents: "docs.ss"
1.12 | Working with Files and Directories: "dir.ss"
1.13 | Graphing Functions: "graphing.ss"
1.14 | Simple Graphical User Interfaces: "gui.ss"
1.15 | An Arrow GUI: "arrow-gui.ss"
1.16 | Controlling an Elevator: "elevator.ss"
1.17 | Lookup GUI: "lkup-gui.ss"
1.18 | Guess GUI: "guess-gui.ss"
1.19 | Queens: "show-queen.ss"
1.20 | Matrix Functions: "matrix.ss"

On this page:

graph-fun
graph-line

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#### 1.13`` Graphing Functions: "graphing.ss"

(require htdp/graphing)

The teachpack provides two functions for graphing functions in the regular (upper right) quadrant of the Cartesian plane (between 0 and 10 in both directions):

> > procedure

> > (graph-fun f color) → true

> f : (-> number? number?)
> color : symbol?

Draws the graph of f with the given color.

> > procedure

> > (graph-line line color) → true

> line : (-> number? number?)
> color : symbol?

Draws line, a function representing a straight line, with a given color.

For color symbols, see Simple Drawing: "draw.ss".

In addition, the teachpack re-exports the entire functionality of the drawing library; see Simple Drawing: "draw.ss" for documentation.

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