Question about Texas Instruments TI-84 Plus Silver Edition Graphic Calculator
The Line( command on my TI-84+SE calculator does not erase even though I have the synrtax correct.
If your calculator is drawing lines in response to the Line( command, there is no objective reason why it would fail to obey the same command with a different argument.
To make sure we are talking about the same thing, let me restate the correct syntax for both usages.
Line(X1,Y1,X5,Y5) draws a line joining the points A(X1,Y1) to point E(X5,Y5).
With the foregoing line already drawn, running the command
Line(X3,Y3,X4,Y4,0) will erase the segment of the already drawn line that lies between the points C(X3,Y3) and D(X4,Y4)
In this exemple it is understood that the points C and D belong to the line drawn. The erasing is effected by the additional argument with value 0. If the points are not on the line, the segment erased may be shorter and may even be of length 0 (no erasure).
If the command still misbehaves, you may have to use the [2nd][DRAW][1:ClrDraw] to clear the drawing and start again.
I trust you will forgive me for all this information that you already know, but I am thinking about other visitors who might not know how to use the command correctly.
Hope it helps.
Posted on Nov 16, 2009
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Posted on Jan 02, 2017
Go onto www.education.ti.com, find the downloads column, and click on apps and operating systems. Then you can click on the different lists and find out which apps you accidentally deleted. You do this by (after clicking on it) looking under the "Pre-Loaded On" column. If you find the name of your calculator there, this is one application that was deleted. Hope this helps!
Posted on Aug 05, 2008
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