Anyone who knows how to use a TI89 calculator?

Question

I am a beginner, so i don't know how to do much on it yet.

I have a graph made on the calculator that i am having problems at getting all of the graph to fit on the screen, even when i have zoomed out.

If someone could explain that to me and/or window dimension, x and y scale, and square zoom.

Answer 1

If you press Window,
Xmin= Minimum value for x (-10 is standard)
Xmax= Maximum value for x (10 is standard)
Xscl= Period of lines (example, every 1 number, 2 or 100 if you zoomed out a lot)

Same for Y.

ZBox, you can make a box on the place you want to zoom in. Using the arrows and pressing enter.
Zoom In (Zooms in)
Zoom Out (Zooms Out)
ZDecimal (Zooms in, if you have it on Standard, and when you press the arrows, it skips by 0.1)
ZSquare, Makes the window like a square, so if you were to graph a circle, it would look like a circle, not oval, or if you graph a square, it looks like a square not a rectangle)
ZStandard, is standard.
ZTrig, usually up to 4 and -4 on the Y-axis and -2pi to 2pi on the 2 axis, it's for graphing trigonometric functions.)
ZoomStat is for graphing statistics, it will find the best window that your data fits in.
ZoomFit is random, usually determined by your X-axis, and function.