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fazecober



Joined: 21 Jun 2009
Posts: 1

PostPosted: Mon Jun 22, 2009 12:17 am    Post subject: Help. Reply with quote

i purposely bought this for my college algebra. We have been plotting lot of graph. I honestly know nothing here.. How do i set in my x and y values, how do i get the four quadrants, how do i join points to give a curve ..like the rational function graph.. i searched for some sort of tutorial but nothing worked.I need help .. Thanks and God bless you
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DPlotAdmin
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PostPosted: Mon Jun 22, 2009 8:50 am    Post subject: Reply with quote

Quote:
How do i set in my x and y values...


Since you posted this in the Excel section I'll assume you're using Excel for data entry. Just create two columns, one with your X values and the other with your Y values. Select those two columns (click the column headings), then select the XYXY command of the DPlot Add-In.

You might also want to take a look at the example spreadsheet distributed with DPlot (examples.xls in the same folder where you installed dplot.exe).

Quote:
...how do i get the four quadrants...


Once you have your graph in DPlot, select Options>Grid Lines or Box>Axes at 0. If you have both positive and negative X values, you'll get a dark line at X=0. The same applies to Y. Other options that might interest you here are the 3 general layout buttons on the toolbar: "No grid lines", "Grid lines", and "Box".

If your X (or Y) values do not cross X/Y=0 but you still want to show those quadrants, you can force the extents of X and Y using Options>Extents/Intervals/Size. To get the exact extents you want you might also need to check "Specify interval" under "Tick intervals" and enter intervals that divide evenly into your extents.

Quote:
...how do i join points to give a curve


That's the default for a new curve, so I'd guess you haven't got that far yet. If you try all the above and still have trouble let me know.
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