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7-8 Draw Operations
SHADE_Y<
(
DRAW DRAW
,
item 7) 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 below the function with a
pattern.
The patterns for shading are automatically assigned in the
following order.
Function 1 Horizontal pattern.
Function 2 Diagonal pattern, upper left to lower right.
Function 3 Diagonal pattern, lower left to upper right.
Function 4 Vertical pattern.
Note that the patterns are assigned in reverse order from the
SHADE_Y>
patterns.
When you specify multiple functions, the shading is done
sequentially.
Shading Areas
below a Function