Sharp EL-9650 Operation Manual page 104

CHAPTER 4
4. Setting suitable ranges
The calculator features a function that allows easy range setting for graphing various
equations. The following shows how this function is used to set the most suitable
range for the above graph.
• Press .
• Press A 1.
• The fully zoomed graph appears on the screen as
shown on the right.
* In the polar coordinate graph mode, the trace, zoom and other functions can be used in the
same way as for the X-Y coordinate graph mode. However, the CALC menu only has the
VALUE function (numerical calculation function, obtaining R for the input value of θ).
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