Order Of Operations - Citizen SR-281N Manuel D'instructions

Running memory
You should keep the following rules in mind when using running
memory.
• Press [ M+ ] to add a result to running memory and the " M "
indicator appears when a number is stored in the memory. Press
[ MR ] to recall the content of running memory.
• Recalling from running memory by pressing [ MR ] key does not
affect its contents .
• Running memory is not available when you are in statistics mode.
• The memory variable M and running memory utilize the same
memory area.
• In order to replace the content of the memory with the displayed
number, please press [ X M ] key.
• To clear the content of running memory, you can press [ 0 ] [ X M ],
[ ON/C ] [ X M ] or [ 0 ] [ STO ] [ M ] in sequence.
[ ( 3 x 5 ) + ( 56 7 ) + ( 74 – 8 x 7 ) ] = 41
0 [ X M ]
3 [ x ] 5 [ M+ ] 56 [ ] 7 [ M+ ] 74
[ – ] 8 [ x ] 7 [ M+ ]
M
[ MR ]
M
0 [ X M ]
(Note) : Besides pressing [ STO ] or [ X M ] key to store a value, you
can also assign values to memory variable M by [ M+ ].
However, when [ STO ] [ M ] or [ X M ] is used, previous
memory contents stored in variable M are cleared and
replaced it with the newly assigned value. When [ M+ ] is used,
values is added to present sum in memory.

Order of operations

Each calculation is performed in the following order of precedence:
1) Fractions
2) Expression inside parentheses.
3) Coordinates transformation ( P R , R P )
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File name : CBM_SR-281N_IB_English_black_v09330.doc
Date: 2009/3/30 Trimmed Size : 140 x 75 mm
DEG
0 .
DEG
7 4 – 8 7 M +
1 8 .
DEG
M
4 1 .
DEG
0 .
SCALE 1 : 1