Texas Instruments TI-80 User Manual - Page 111
Shading Areas on a Graph
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Shading Areas on a Graph There are three shading instructions on the DRAW DRAW menu: SHADE_Y>, SHADE_Y (DRAW DRAW, item 6) takes up to four above a Function arguments (functions of X). SHADE_Y>function SHADE_Y>function1, . . . ,function4 When executed, SHADE_Y> plots the specified function(s) on the graph and shades the area above the function with a pattern. The patterns for shading are automatically assigned in the following order. Function 1 Function 2 Function 3 Function 4 Vertical pattern. Diagonal pattern, lower left to upper right. Diagonal pattern, upper left to lower right. Horizontal pattern. When you specify multiple functions, the shading is done sequentially. Draw Operations 7-7
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Draw Operations
7-7
There are three shading instructions on the DRAW DRAW menu: SHADE_Y>,
SHADE_Y<, and SHADE(. These instructions are not interactive; they must be
entered on the Home screen or in the program editor.
SHADE_Y>
(
DRAW DRAW
,
item 6) takes up to four
arguments (functions of
X
).
SHADE_Y>
function
SHADE_Y>
function1
,
. . .
,
function4
When executed,
SHADE_Y>
plots the specified function(s) on
the graph and shades the area above the function with a
pattern.
The patterns for shading are automatically assigned in the
following order.
Function 1
Vertical pattern.
Function 2
Diagonal pattern, lower left to upper right.
Function 3
Diagonal pattern, upper left to lower right.
Function 4
Horizontal pattern.
When you specify multiple functions, the shading is done
sequentially.
Shading Areas on a Graph
Shading Areas
above a Function