Mathematics; Number Alteration; Prefix Keys; Stack Manipulation - HP -10C Owner's Handbook Manual

number in display (X-
register) (Page 36).
Y
Raises number in
Y-register to power of
number in display (X-
register) enter y, then
x) (Page 38).

Mathematics

-+*÷
Arithmetic operators
(Page 7).
¤
Computes square
root of number in
display (X-register)
(Page 34).
x
Computes square
of number in display
(X-register) (Page
34).
!
Calculates n
factorial (n!) (Page
34).
⁄
Computes
reciprocal of number
in display (X-register)
(Page 34).
$
Places value of π
(3.141592654) in
display (X-register)
(Page 33).
÷
Percent.
Computes x% of
value in the Y-
register (Page 37).

Number Alteration

'
Leaves only
integer portion of
number in display (X-
register) by truncating
fractional portion
(Page 33).
q
Leaves only
fractional portion of
number in display (X-
register) by truncating
integer portion (Page
33).

Prefix Keys

´
Pressed before a
function key, selects
gold function printed
above that key (Page
12).
u
CLEAR
´
Cancels the
prefix keystroke and
partially entered
instructions such as:
´ i. Also
displays 10-digit
mantissa of number in
display (X-register)
(Pages 13 and 52).
For other prefix keys,
refer to listings under
Display Control,
t
Storage, and
Programming Key
Index).

Stack Manipulation

®
Exchanges
contents of X- and Y-
Function Key Index 109
stack registers (Page
22)
)
Rolls down
contents of stack
(Page 22).
`
Clears contents
of display (X-register)
to zero (Page 14).

Statistics

z
Accumulates
statistics of numbers
from X- and Y-
registers in storage
registers R
R (Page 39).
5
w
Subtracts
statistics of numbers
in X- and Y-registers
from storage registers
R through R
0
correcting
accumulations (Page
42).
'
Computes mean
(average) of x- and y-
values accumulated
z
by (Page 43).
S
Computes
sample standard
deviations of x- and y-
values accumulated
by z. (Page 43).
(in
j ª
Linear
estimate and
correlation coefficient.
Computes estimated
value of y (ŷ) for a
given value of x, or
estimated value of x
( ) for a given value
x ˆ
of y, by least squares
through
0
for
5
z