E-14
* As shown here, if you want to use the current Answer Memory value in a
mark up or discount calculation, you need to assign the Answer Memory
value into a variable and then use the variable in the mark up/
discount calculation. This is because the calculation performed when
v
is
pressed stores a result to Answer Memory before the
,
key is pressed.
•
Example 6:
If 300 grams are added to a test sample originally weighing
500 grams, what is the percentage increase in weight?
(160%)
300
+
500
A
v
•
Example 7:
What is the percentage change when a value is increased
from 40 to 46? How about to 48?
(15%, 20%)
46
,
40
A
v
e
e
e
e
e
e
8
<
k
Degrees, Minutes, Seconds Calculations
• You can perform sexagesimal calculations using degrees (hours), minutes,
and seconds, and convert between sexagesimal and decimal values.
•
Example 1:
To convert the decimal value 2.258 to a sexagesimal value
and then back to a decimal value
2.258
<
2.258
A
O
2
°
15
°
28.8
I
2.258
•
Example 2:
To perform the following calculation: 12
°
34’56”
65
°
43’21”
12
I
34
I
56
I
+
65
I
43
I
21
I
<
78
°
18
°
17
k
FIX, SCI, RND
• To change the settings for the number of decimal places, the number of
significant digits, or the exponential display format, press the
F
key a
number of times until you reach the setup screen shown below.
1 2 3
F i x Sc i No r m