Casio Financial Consultant - Page 5

Getting Started
QED Education Scientific
2
COMP
6
3
3
―
EXE
2
•
7
7
6
3
2
•
7
X
COMP
2
2
―
8
•
5
6
3
2
•
7
SHI
FT
SHI
FT
•
COMP
•
7
EXE
4
3
8
•
5
SHI
FT
6
EXE
Example 2 ►>> The original selling price of an item is RM 362.70. The shop
owner says that after a 37% discount, you only need to pay RM 228.50. Cross
check whether his mathematics is correct.
Operation
One approach is through the direct use of the formula, New = Old – Old*Discount.
 Ensure that the calculator is in COMP mode and key in the following.
Another nice approach is by using the percentage difference function.
 Ensure that the calculator is in COMP mode and key in the following.
While his mathematics is not exact, the shop owner is a scrupulous merchant. █
Another feature in modern calculators is the ability to do expression editing.
Example 3 ►>> Evaluate the following: (i)
8.3
4.7 , (ii)
85.3
4.7 and (iii)
85.3
9.7
Operation
[For FC-200V]
 While the calculator is in COMP mode, key in the following.
 Immediately after the above, tap once. As cursor is at position after 8, tap
to evaluate
853
47
.
. .
[Continue next page]
Output:
228.501
(
(%)
Output:
-
37.00027571
(
%
)
O
utput:
2
009.465411
Output:
2
220
.
967078
(
Λ)