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Reusing
the
Previous Result
tIt
LAsr
ll
tl-LASr-l copies the previous result
into a
calculation you are
in
the
process
of
doing. The
followirg
keystrokes use
I[
r-nsr
I
to
calculate:
.0821
x
(18
+
273.1):
?
2x.0821
x(18+273.1):?
3
x
.0821
x
(18
+
273.1):
?
Keys:
Display:
Description:
First
answer.
.0821
r
m
18
E2Tg.1
DE
EB,BeeB
2
Elt
LASTI
e,BEBBxPB,BeeB
E
ITLnI
3EIruofl
r^
47,7986
B.
BBEB
71
,
6979
Second
answer.
Clears calculator line;
prevents 47.7986 from
becoming
last.
Third
answer.
Using Registers
The HP-275 has 10
registers
for
storing numbers-Rg through
Re.
They are
accessed
using [snO] and [EeR.
r
rcTol n, where
n is
an integer
0
through g,
copies
the rightmost
number
in
the calculator line to the
designated register.
The num-
ber is copied
with
full
precision.
I
tRTLI
n
coptes
the contents of R, to the
calculator
line.
The
number
is
displayed
in
the current display
format.
,
To
cancel
store
or recall after you've
pressed
lsTol or
[ncl--],
press
[T|.
The following
keystrokes
use
Rl
and
R2
to
calculate:
(27.1
*35.5\x1.0823
(27
.1'
+
35.6)1'0823
46
2=
Keyboard Arithmetic and Numeric Functions
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