15-10 Equation Writer
Pressing  produces 
the result of the partial 
calculation. 
Summing up
Pressing     enables you to select the current 
element and its neighbour to the right.     enables 
you to exchange the selected element with its neighbour 
to the left. The selected element remains selected after you 
move it. 
Cursor mode  In cursor mode you can select a large expression quickly. 
To select cursor mode, press:
 Cursor mode 
As you press the arrow key, 
various parts of the 
expression are enclosed n in 
a box. 
When what you want to 
select is enclosed, press 
 to select it.
Changing the 
font
If you are entering a long expression, you may find it 
useful to reduce the size of the font used in the Equation 
Writer. Select Change font from the   menu. This 
enables you to view a large expression in its entirety 
when you need to. Selecting Change font again 
returns the font size to its previous setting.
You can also see the selected expression or 
subexpression is a smaller or larger font size by pressing 
 and then   (to use the smaller font) or   
(to use the larger font).
hp40g+.book  Page 10  Friday, December 9, 2005  12:27 AM