       Re: Plot a number line

• To: mathgroup at smc.vnet.net
• Subject: [mg79733] Re: [mg79687] Plot a number line
• From: Bob Hanlon <hanlonr at cox.net>
• Date: Fri, 3 Aug 2007 06:22:59 -0400 (EDT)

```numberLine[xmin_, xmax_, step_: 1] := Module[
{min = Floor[xmin], max = Ceiling[xmax]},
Arrow[{{min - 2, 0}, {max + 2, 0}}],
{Line[{{#, -0.2}, {#, 0.2}}],
Text[#, {#, -0.3}, {0, 1}]} & /@

Range[min, max, step]},
ImageSize -> 500]];

numberLine[-10, 10]

numberLine[-10, 10, 2]

Bob Hanlon

---- Diana <diana.mecum at gmail.com> wrote:
> Math folks,
>
> I am trying to plot just an x axis number line with varying end
> points.
>
> For example, I would like a number line with starting and ending
> arrows pointing to negative and positive infinity, with the numbers
> -10, -9, ..., 8, 9, 10 printed on the line. I would like just the tick
> marks at integer markings. This is meant to be a template for students
> to graph the solution set to an inequality on it.
>
> Can someone help?
>
> Thanks,
>
> Diana M.
>
>

```

• Prev by Date: If a*b=c/d, then a=c/bd, How do i do this in Mathematica?
• Next by Date: Re: Plot a number line
• Previous by thread: Re: Plot a number line
• Next by thread: Re: Plot a number line