Casio fx-115ES User Manual

E-17
Original Expression:
Function Key Operation Resulting Expression
Integral 7
Derivative 17(F)
Σ Calculation 1&(8)
You can also incorporate values into the following functions.
1l($), 1i(%), !, 6, 1!(#), 1w(Abs)
Displaying Calculation Results
in a Form that Includes
''
''
'2, π,
etc. (Irrational Number Form)
When “MthIO” is selected for the input/output format, you can specify
whether calculation results should be displayed in a form that includes
expressions like '2 and π (irrational number form).
•Pressing = after inputting a calculation displays the result using
irrational number form.
•Pressing 1= after inputting a calculation displays the result
using decimal values.
Note
•When “LineIO” is selected for the input/output format, calculation
results are always displayed using decimal values (no irrational
number form) regardless of whether you press = or 1=.
• π form (form that includes π within irrational number display) display
conditions are the same as those for S-D conversion. For details,
see “Using S-D Transformation”.
Example 1: '2 +'8 = 3'2
MATH
1 !2e+!8=
Math
2 !2e+!81=
Math

Casio fx-115ES Specifications

General

Type	Scientific
Cover	Yes
Form factor	Pocket
Control type	Buttons
Product color	Silver
Housing material	Plastic
Digits	12 digits
Display tilting	-
Backlight display	No
Display number of lines	2 lines
Power source	Battery/Solar
Memory registers	7