TIB: Clearing part of the graph screen

TIB: Clearing part of the graph screen

• To: <ti-basic@lists.ticalc.org>
• Subject: TIB: Clearing part of the graph screen
• From: "The Kellers" <sandia@rocler.qc.ca>
• Date: Sat, 26 Sep 1998 21:53:13 -0400
• Delivered-To: ti-basic-outgoing@towerguard.unix.edu.sollentuna.se
• Reply-To: ti-basic@lists.ticalc.org

I just bought a TI-86, so this is probably a dumb question. I was wondering
how to erase a line drawn on the graph from inside a program. I tried
"Line(x1,y1,x2,y2,0)" like it said in the manual. But that just gave me an
error.

 Also, is there any faster way to clear part of the screen than Text( with a
lot of spaces or PixelOff?

 And one more question, is there any way to detect if a variable exists from
inside a program?

Any help apreciated,
Philipp

• Re: TIB: Clearing part of the graph screen
• From: Cassady Roop <croop@oregontrail.net>

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