Select the interval and Construct a point on this segment and label it "p." Select the points (0, 0), (0, 1) and p in that order and Measure the ratio. If you do not construct a domain, then the graph produced by JSP may be less than you expected. The segment connecting points (–2, 0) and (6, 0) as constructed above will serve as the domain. 02x 4 – x 2 + 3x + 1 as the locus of plotted points.Ĭonstruct a domain for the function. Tick marks are easy to construct if a custom tool is made. Make tick marks by translating every point on each axis ±5 pixels perpendicular to the axis, then construct segments connecting the axis points to their translations. Hide the original coordinate system axes. These segments are the displayed x– and y–axis. The labels will be hidden along with the points, but new labels will be attached later.Ĭonstruct the segment connecting points (–2, 0) and (6, 0), then Construct the segment connecting points (0, –10) and (0, 10). Label this point "–10." Likewise Plot as (x,y) and label all integer points on the axes. Select parameters 0 and –10 and Plot as (x, y). The GSP coordinate system has labeled axes with tick marks but the labels and tick marks will not be displayed by JSP, so we must create our own. Setup a coordinate system with labeled axes.ĭefine a coordinate system, then Select the coordinate system and set the line width to Thick so JSP will show a grid instead of merely "dot paper." The details below elaborate upon a few features of the GSP constructions, and how the JavaSketchpad code was edited to produce the final applet. The tool's script can be displayed and printed, and with experience, the steps in the script can be associated with the proper Sketchpad constructions. One way to document a Geometer's Sketchpad construction is to Show All Hidden from the Display menu, Select All from the Edit menu, then Create New Tool from the Custom Tool menu.
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