HP 17bII+ Quick Start Manual page 21

Table 1-3 Keys and Functions
Key(s)
B
Store
C
Recall
gX
Round
ge
Roll down
gf
Exchange key
Description and Page Number in the User's Guide
There are ten storage registers in the calculator memory,
numbered 0-9. To store a number in a specified storage
B
register, press
Also used to perform storage register arithmetic (pages
45-46).
To recall a number from a storage register into the display,
C
press , then key in the register number. This copies the
number from the storage register into the display (pages
45-46).
Rounds the number in X-register to match the number of
digits set for the number display format. For setting display
format, see Table 1- 1 above, or (page 35)
ge
Press to perform a roll down of the stack, where
each number in the registers is copied into the register
below, and the number formerly in the X-register is copied
into the T-register. Press the
scroll through the stack levels (page 269). Note: the roll
down feature is not accessible while using lists (SUM and
CFLO) or SOLVE (page 43). The
performs the roll down function (page 264). RPN only.
gf
Pressing the
and Y-registers (page 269). RPN only.
and key in the register number, 0-9.
M
or
O
keys exchanges the numbers in the X-
.
O
arrow keys to
arrow key also
Getting Started 17