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For
enter
ing
rr
(3
.14
15926535)
§I
Th
e conte
nt
s
of t he
X
and
Y
registers are exchanged
.
r3
G
~[±]
:
Sets
t he order of
each function.
1='
:
Co
m
p let
es
t
he
add
it io
n, subtraction,
multiplicatio
n, divi sion fun ction s.
8~§]El
:
Th
ese
key
s
designate the memory function s.
Th
e
8
memories can be selected by pressing th
e
m emory
fu
nct io
n keys and one of the following memory regi
ste
r
se
lec-
t io
n key
s.
.Q-
key
...
.......
.....
No. 0 memory
Q;J
key ..... .......... No.1 memory
~
key .....
..
........ No.2 memory
~
key .....
.. ...
.. ... No.7 memory
The
contents
of
X
register is stored in the
M
register.
The
X
register remains
unchanged, but the previous contents of M register is cleared.
Clears the content of M register.
The contents of M register is shifted to X register. The M register remain
unchanged, but the previous con
t
ents of the X register is cleared.
l
_
_
----:-
1
,-
3
-----:-----:-___
-:--c-c-_________
-
- - ' - - - - - - - - -
-- - -
--.!.II
IM
+
]
:
The
con
te nts
of X register is added to M regi
ster.
The contents of the X
registe
r remain
s
unchanged.
~
:
Th
e square
root of the contents of X register is obtained and stored in X register
0
:
The power or root function is calculated using the contents of the X register
as
"x" and the
contents
of Y register "y".
Th
e
power calcul ation y
x
is perform ed by using the X function
Exampl
e
A
~
B
0
-7
AB
Th
e
root calcul ation
y1lx is
perform ed by using the
-7-
function
Example
A
[±]
B
0
-7
A l/B
~
:
Halt instruction is wr itten in
t
he program memory .
The end instruction is written in th
e
program memory when
~
~
is per-
formed.
~
:
The execution of a program.
When
~
and
~
are pressed the step counter is reset an,d program mode
is designated.
~
:
Th i s key designates the fu nction shown on the lower part of each key top.
I.
La
mps
PRO
BUSY
:
HALT:
Example to calculate sin 30° key operation:
DEG
£I
RAD
30
~
~
Lighted during the execution of program and manual operation.
Lighted when HALT order is written in or read out from the
program memory.
14
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