Casio FX-991ES User Guide - Page 24

Percent Calculations, Degree, Minute, Second Sexagesimal, Calculations - change fraction to decimal

Get Casio FX-991ES PDF manuals and user guides View all Casio FX-991ES manuals
Add to My Manuals
Save this manual to your list of manuals

Page 24 highlights

Switching between Fraction and Decimal Format f • The format of the fraction depends on the currently selected fraction display format setting (improper fraction or mixed fraction). • You cannot switch from decimal format to mixed fraction format if the total number of digits used in the mixed fraction (including integer, numerator, denominator, and separator symbols) is greater than 10. • For details about the f key, see "Using S-D Transformation". k Percent Calculations Inputting a value and pressing 1((%) causes the input value to become a percent. Appendix 2% = 0.02 ( ) -2- 100 150 × 20% = 30 ( ) 150 × -2-0 100 Calculate what percentage of 880 is 660. (75%) Increase 2500 by 15%. (2875) Discount 3500 by 25%. (2625) Discount the sum of 168, 98, and 734 by 20%. (800) If 300 grams are added to a test sample originally weighing 500 grams, what is the percentage increase in weight? (160%) What is the percentage change when a value is increased from 40 to 46? How about to 48? (15%, 20%) k 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}e{Minutes}e{Seconds}e Appendix Input 2°0´30˝. • Note that you must always input something for the degrees and minutes, even if they are zero. E-22

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
E-22
Switching between Fraction and Decimal Format
•
The format of the fraction depends on the currently selected fraction
display format setting (improper fraction or mixed fraction).
• You cannot switch from decimal format to mixed fraction format if
the total number of digits used in the mixed fraction (including
integer, numerator, denominator, and separator symbols) is greater
than 10.
• For details about the
f
key, see “Using S-D Transformation”.
k
Percent Calculations
Inputting a value and pressing
1
(
(%) causes the input value to
become a percent.
Appendix
2
<#003> 2% = 0.02
(
——
)
100
20
<#004> 150
×
20% = 30
(
150
×
——
)
100
<#005>
Calculate what percentage of 880 is 660.
(75%)
<#006> Increase 2500 by 15%.
(2875)
<#007>
Discount 3500 by 25%.
(2625)
<#008>
Discount the sum of 168, 98, and 734 by 20%.
(800)
<#009>
If 300 grams are added to a test sample originally weighing
500 grams, what is the percentage increase in weight?
(160%)
<#010>
What is the percentage change when a value is increased
from 40 to 46? How about to 48?
(15%, 20%)
k
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}
e
{Minutes}
e
{Seconds}
e
Appendix
<#011> Input 2
°
0´30˝.
• Note that you must always input something for the degrees and
minutes, even if they are zero.
f