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Pressing the key pops up the menu on
the right. The first option of In causes the
step size to decrease from 0.1 to 0.025. This
is a factor of 4 and is changeable via the NUM
SETUP view. I find a zoom factor setting of 2
or 5 to be more useful.
The second option of Out causes the
opposite effect, changing the step size
upwards by whatever the Zoom Factor is set
to.
The Decimal option restores the default settings.
It changes from whatever is showing back to the step size of 0.1 The
Integer option on the other hand, changes the scale so the step size is 1.
The Trig option changes the scale so that the step size is
24
exactly. This
will obviously be useful when dealing with trigonometric functions.
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