Percent Calculations; Degree, Minute, Second (Sexagesimal) Calculations; Using Engineering Notation; Calculation History - Casio fx-115ES PLUS User Manual

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1~2
Note:
.
Mixing fractions and decimal values 81 a calculation while Linear
Display is selected will cause the resun to be displayed as a decimal value.
.
Fractions in calculation results are displayed after being reduced to their
lowest terms.
To switch a calculation result between improper fraction and mixed
fraction form: Perform the following key operation: I!!!I ~(a%.%)
To switch a calculation result between fraction and decimal form:
Press
1i!ID.
Percent Calculations
Inputting a valueand pressing @!j) CD (%)causes the inputvalueto become
a percent.
Degree, Minute, Second (Sexagesimal) Calculations
Performing an additionorsubtractionoperationbetweensexagesimalvalues,
or a multiplication o r division operationbetweena sexagesimalvalueand a
decimalvaluewillcause the resultto be displayedas a sexagesimalvalue.
You also can convert between sexagesimal and decimal. The following
is the input formatfor a sexagesimal value: (degrees) 8 (minutes) 8
(seconds) 8.
Note: You must always input something for the degrees and minutes, even
if they are zero.
/
2°20'30"+ 39'30"= 3°00'00"
2820830 8 ~ 08 39830 E3 §)
/
Convert2°15'18"to its decimalequivalent.
28158188§)
(Convertssexagesimal to decimal.)
8
(Convertsdecimal10sexagesimal.)
8
2°15'18-
2.255
2°15'18"
E-15
Multi-Statements
You can use the colon character (:) to connect two or more expressions and
execute them in sequence from left to right when you press §).
/
3+3:3x3
3~3(!iE!}~(:)31&J3§)
§)
6
9
Using Engineering Notation
A simple key operation transforms a displayed value to engineering
notation.
/
Transform the value
1234
to engineering notation, shifting the
decimal point to the right.
1234 §)
@
@ID
1234
1.234x103
1234x10.
Transform the value 123 to engineering notation, shifting the decimal
point to the left.
123§) 123
@!!It~](<-) 0.123x103
1!!iI~(<-) 0.000123x10'
Calculation History
In the COMP, CMPLX, or BASE-N Mode, the calculator remembers up to
approximately 200 bytes of data for the newest calculation. You can scrolt
through calculation history contents using @ and ~.
1~1§) 2
2~2§)
4
3~3§) 6
(Scrolls back.) @ 4
(Scrolls back again.) @ 2
Note: Calculation history data is all cleared whenever you press ~, when
you change to a different calculation mode, when you change the display
format, or whenever you perform any reset operation.
1 + 1 =2
2+2=4
3+3=6
Replay
While a calculation result is on the display, you can press <3:> or ~ to edit
the expression you used for the previous calculation.
/
4
x3+2.5=
14.5
_
41&J3~2.5§)
4x3-7.1 =4.9 (Continuing)<3:>t!IDt!ID1!ID@)87.1 §)
14.5
4.9
Note: If you want to edit a calculation when the ~ indicator is on the right
side of a calculation result display (see "Reading the Display"), press §J
and then use <3:> and ~ to scroll the calculation.
E-16
.
/
150x20%=30 150 I&J20 I!!!I CD(%)§)
30
/
Calculate what percentage of 880 is 660. (75%)
660
ffi
880 @!j)CD(%) §)
75
/
Increase 2500 by 15%. (2875)
2500 2500 I&J 151!!!1 CD(%)§)
2875
/
Discount 3500 by 25%. (2625)
3500133500 I&J251!!!1 CD(%)§)
2625