Casio fx-500ES User Manual page 19

Function
Power Root
You can also incorporate values into the following functions.
1l($), 1i(%), !, 6, 1!(#), D
Displaying Calculation Results
in a Form that Includes '
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
• 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
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
2 !2e+!81=
Example 2: sin (60) =
MATH
Key Operation
16(")
π
(irrational number form).
π
!2e+!8=
' 3
2
s60=
Resulting Expression
within irrational number display) display
E-17
π
' ' 2, '
'
,
Math
Math
(Angle Unit: Deg)
Math