132
6(DRAW) (Draws graph.)
↓
↓
• The function that is input using the above syntax can have only one variable.
•You cannot use X, Y, r,
θ
, or T as the variable name.
•You cannot assign a variable to the variable in the function.
•When the set up screen’s Simul Graph item is set to “On”, the graphs for all the
variables are drawn simultaneously.
•You can use overwrite with rectangular coordinate, polar coordinate, paramet-
ric, and inequality graphs.
kk
kk
k Zoom
The zoom feature lets you enlarge and reduce a graph on the display.
uu
uu
uBefore using zoom
Immediately after drawing a graph, press 2 (Zoom) to display the Zoom Menu.
• {BOX} ... {graph enlargement using box zoom}
• {FACT} ... {displays screen for specification of zoom factors}
• {IN}/{OUT} ... {enlarges}/{reduces} graph using zoom factors
• {AUTO} ... {automatically sizes the graph so it fills the screen along the y-axis}
• {ORIG} ... {original size}
• {SQR} ... {adjusts ranges so x-range equals y-range}
• {RND} ... {rounds coordinates at current pointer location}
• {INTG} ... {converts View Window x-axis and y-axis values to integers}
• {PRE} ... {after a zoom operation, returns View Window parameters to previous
settings}
8 - 6 Other Graphing Functions
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