Casio FX-991MS-2

User Manual - Page 20

For FX-991MS-2.

PDF File Manual, 76 pages, Download pdf file

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* 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 (%) is
pressed stores a result to Answer Memory before the key is
pressed.
Example 6: 300 grams are added to a test sample originally weighing 500
grams, producing a final test sample of 800 grams. What percent of 500
grams is 800 grams? (160%)
300 500 (%) 160.
Example 7: What is the percentage change when a value is increased
from 40 to 46? How about to 48? (15%, 20%)
46 40 (%) 15.
8 20.
Degree, Minute, Second
(Sexagesimal) Calculations
You can perform calculations using sexagesimal values, and convert
values between sexagesimal and decimal.
Inputting Sexagesimal Values
The following is the syntax for inputting a sexagesimal value.
{Degrees} {Minutes} {Seconds}
Note that you must always input something for the degrees and
minutes, even if they are zero.
Example: Input 2°0’30”
2 0 30 2°0°30.
Sexagesimal Calculations
Performing the following types of sexagesimal calculations produces a
sexagesimal result.
- Addition or subtraction of two sexagesimal values
- Multiplication or division of a sexagesimal value and a decimal value
Example 1: 2°20’30” + 39’30”
19
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