Keying In Negative Numbers ( & ); Using The Menu Keys - HP 17BIIPLUS Owner's Manual

65 12
+( /
3.5
)=
Keying in Negative Numbers ( & )
The & key changes the sign of a number.
! To key in a negative number, type that number, then press
! To change the sign of an already displayed number (it must be the
rightmost number), press
Keys:
75 &
* 7.1 =
v

Using the Menu Keys

The calculator usually displays a set of labels across the bottom of the
display. The set is called a menu because it presents you with choices.
The MAIN menu is the starting point for all other menus.
22 1: Getting Started
"
'*&+%"
& .
Display:
/-."
/.%$&.("
Use parentheses to impose
an order of calculation.
& .
Description:
Changes the sign of 75.
Multiplies －75 by 7.1.