Order Of Operations - Citizen SR-281 User Manual

[ RCL ] [ B ] [
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 ],
[ CE ] [ X M ] or [ 0 ] [ STO ] [ M ] in sequence.
[ ( 3 x 5 ) + ( 56
0 [ X M ]
3 [ x ] 5 [ M+ ] 56 [
[ – ] 8 [ x ] 7 [ M+ ]
[ MR ]
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:
]
7 ) + ( 74 – 8 x 7 ) ] = 41
] 7 [ M+ ] 74
-E6-
DEG
B =
DEG
DEG
7 4 – 8 7 M +
M
DEG
M
M
DEG
0 .
0 .
1 8 .
4 1 .
0 .