Specifications

184
Percentage Calculation
Table 4.17
Calculation example Operation On the window
Percentage 26% of ¥1500 is … 1500 × 26 % 390.
Increase 15% increase of ¥3620 is … 3620 ×15 %+ 4163.
Decrease 4% decrease of ¥4750 is … 4750 × 4 % - 4560.
Proportion What percentage is 75 items of 250
items ?
75 ÷ 250 % 30.
What is the increased percentage from
¥120,000 to ¥141,000 ?
141 - 120 % 17.5 Ratio (Ratio of
increase or
decrease)
What is the decreased percentage from
¥300 to ¥240 ?
240 – 300 % -20.
3540 + 25 % 4720. Setting selling
price
When a 25% profit is expected from an
article with a purchase price at ¥3540,
what are the selling price and the profit?
(Continue by
subtracting) “-“
1180.
Memory Calculation
Table 4.18
Calculation example Operation On the window
80×9=720
-) 50×6=300
20×3= 60
(Total) 480
AC MC 80×9 M+
50×6 M-
20×3 M+
MR
M 720.
M 300.
M 60.
M 480.
(2*3)+(2*3)+4.5+4.5-4.5
=16.5
AC MC 2×3 M+ M+ 4.5 M+ M+
M- MR M 16.5
193.2÷23=8.4
193.2÷28=6.9
123-193.2=-70.2
AC MC 193.2 M+ ÷ 23=
MR ÷28=
123-MR =
M 8.4
M 6.9
M -70.2
9×6+3
8×(7-2)
AC MC 7-2×8 M+ 9×6+3÷ MR = M 1425.
Error Calculation
Table 4.19
Calculation Example Operation On the window
1234567890 x 741852=
915867892900170
1234567890 x 741853= E 915.867892900
Note:
“E” will appear on the window if an overflow occurs. The decimal point indicates 100 millionth
digit. After “E” is displayed, press either C button to continue the calculation, or AC button to
commence a new calculation.