Citizen SR-260 - Basic calculation; Mixed arithmetic calculation; Parentheses calculations

E-8
Mixed arithmetic calculation
1 + 2 x 3 = ? 1 [ + ] 2 [ x ] 3 [ = ]
DEG
7.
– 3.5 + 8 ÷ 2 = ? 3.5 [ +/– ] [ + ] 8 [ ÷ ] 2 [ = ]
DEG
0.5
Parentheses calculations
Operation inside parentheses are always executed first. You can use up
to 15 levels of parentheses in a single calculation. When the first parenthesis
is opened, the “ ( ) ” indicator appears and remains in the display until the
last parenthesis is closed.
( 5 – 2 x 1.5 ) x 3 [ ( ] 5 [ – ] 2 [ x ] 1.5 [ ) ] [ x ]
DEG
2.8
+ 0.8 x ( – 4 ) = ? 3 [ + ] 0.8 [ x ] 4 [ +/– ] [ = ]
2 x { 7 + 6 x ( 5 + 4 ) } 2 [ x ] [ ( ] 7 [ + ] 6 [ x ]
DEG
122.
= ? [ ( ] 5 [ + ] 4 [ = ]
(Note) : It is unnecessary to press the [ ) ] key before the [ = ] key.
Constant calculation
The calculator enables you to repeat the last number entered or the
last operation executed by pressing [ = ] key.
Repeating the last number
3 x 3 = ? 3 [ x ] [ = ]
DEG
9.
3 x 3 x 3 = ? [ = ]
DEG
27.
3 x 3 x 3 x 3 = ? [ = ]
DEG
81.
Repeating the arithmetic operation
321
+ 357 = ? 321 [ + ] 357 [ = ]
DEG
678.
654
+ 357 = ? 654 [ = ]
DEG
1011.
579
– 159 = ? 579 [ – ] 159 [ = ]
DEG
420.
456
– 159 = ? 456 [ = ]
DEG
297.
18 x 45 = ? 3 [ x ] 6 [ x ] 45 [ = ]
DEG
810.
18 x 23 = ? 23 [ = ]
DEG
414.
18 x (0.5 x 10
2
) = ? 0.5 [ EXP ] 2 [ = ]
DEG
900.