Function Key Index - HP 12C Platinum Owner's Handbook Manual

Function Key Index

General
; Power on /off key
(page 16).
f Shift key. Selects alter-
nate function in gold above
the function keys
(page 16). Also used in
display formatting
(page 71).
g Shift key. Selects alter-
nate function in blue on the
slanted face of the function
keys (page 16).
CLEARX after f, g,
?, :or i, cancels
that key (page 18).
fCLEARX also dis-
plays mantissa of number
in the displayed X-register
(page 73).
Digit Entry
\ Enters a copy of num-
ber in displayed X-register
into Y-register. Used to
separate numbers (pages
19 and 167).
Þ Changes sign of num-
ber or exponent of 10 in
X-register (page 17).
Æ Enter exponent. After
pressing, next numbers
keyed in are exponents of
10 (page 18).
0 — 9 digits. Used for
keying in numbers (page
19) and display formatting
(page 70).
. Decimal point (page
17). Also used for dis-
play formatting (page
72).
OClears contents of
displayed X-register to
zero (page 18).
Arithmetic
+-§z} Arith-
metic operators (page
19).
Storage Registers
? Store. Followed by
number key, decimal
point and number key,
or top row financial key,
stores displayed num-
ber in storage register
specified (page 24).
Also used to perform
storage register arith-
metic (page 25).
:Recall. Followed by
number key, decimal
point and number key,
or top-row financial key,
recalls value from stor-
age register specified
into the displayed X-reg-
ister (page 24).
CLEAR H Clears con-
tents of stack (X,Y,Z and
T), all storage registers,
statistical registers, and
financial registers (page
25). Leaves program
memory untouched; not
programmable.
205
Percentage
b Computes x% of y and
retains the y-value in the
Y-register (page 27).
à Computes percent of
change between number in
Y-register and number in
displayed X-register (page
28).
Z Computes percent that
x is of number in Y-register
(page 29).
Calendar
Ô Sets date format to
day-month-year (page 31);
not programmable.
Õ Sets date format to
month-day-year (page 30);
not programmable.
D Changes a date in the
Y-register by the number of
days in the X-register and
displays day of week (page
31).
Ò Computes the number
of days between two dates
in the Y- and X-registers
(page 32).
Financial
CLEARG Clears con-
tents of financial registers
(page 34).
× Sets payment mode to
Begin for compound inter-
est calculations involving
payments (page 39).