The Status Of The Last X Register - HP 35s User Manual

The Status of the LAST X Register

The following operations save x in the LAST X register in RPN mode:
+, –, ,
LN, LOG
SIN, COS, TAN
SINH, COSH, TANH
%, %CHG
nCr nPr
CMPLX +, –, ,
kg, lb
l, gal
Notice that /c does not affect the LAST X register.
The recall-arithmetic sequence
Xh
variable
In ALG mode, the LAST X register is a companion to the stack: it holds the number
that is the result of last expression. It supports using the previous expression result in
ALG mode.
B-6
User Memory and the Stack
x
, x
x
y ,
y
X
ASIN, ACOS, ATAN
ASINH, ACOSH, ATANH
+, –
HMS ,
!
CMPLX e
°C,
KM
Xh

stores the recalled number in LASTx.
2
,
HMS
x x
, LN, y , 1/x
°F
MILE
variable stores x in LASTx and
x x
e , 10
I/x, INT÷, Rmdr
 ˆ
 ˆ
IP, FP, SGN, INTG,
RND, ABS
RCL+, –, ,
DEG, RAD
ARG
CMPLX SIN, COS,
TAN
cm, in