Casio fx-350MS Booklet

CHAPTER 1 Let’s Get Started
5
2
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9
X
1
7
%
=
–
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3
9
SHIFT
X
2
8
%
=
+
SHIFT
2
7
+
1
5
lo
g
lo
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A retailer is selling Kasio watches at the price of RM239 each. Calculate
the price of a Kasio watch after a
(i) 17% discount in price, (ii) 28% increase in price.
OPERATION
1. First calculate the discount.
2. The discount is RM40.63. The discounted price is
3. To calculate the price after a 28% increase, press
Therefore, the increased price is RM305.92.
Show that
15log27log + is equal to )1527log(
×
.
OPERATION
1. First, calculate 15log27log + while calculator is in COMP mode.
2. Now calculate
405log
, since
4051527
=
×
.
Comparing the two results, it is therefore shown that
)1527log(15log27log ×
=
+
.
Verify that
715×
is equal to
715 ×
. Also verify that
3553
)4()4( =
.
Exam
p
le 9
239X17%
40.63
239X17%-
198.37
239X28%+
305.92
239X28%
66.92
Exam
p
le 10
log 27+log 15
2.607455023
log 405
2.607455023

Casio fx-350MS Specifications

General

Type	Scientific
Form factor	Pocket
Power source	Battery

Weight and Dimensions

Weight	100 g
Dimensions (WxDxH)	12.2 x 85 x 155 mm