Casio fx-85ES Calculator User Manual


 
E-17
Example 2: sin (60) = (Angle Unit: Deg)
MATH
s60=
Math
Example 3: sin
–1
(0.5) = π (Angle Unit: Rad)
MATH
1s(sin
–1
)0.5=
Math
The following are the calculations for which ' form (form that
includes ' within irrational number display) results can be
displayed.
a.Arithmetic calculations of values with square root symbol ('),
x
2
, x
3
, x
–1
b.Trigonometric function calculations
The following are the input value ranges for which ' form is always
used for display of trigonometric calculation results.
Angle Unit
Input Value Range
Setting
Angle Value Input for ' Form
Calculation Result
Deg Units of 15° ȊxȊ < 9 × 10
9
Rad Multiples of π radians ȊxȊ < 20π
Gra Multiples of grads ȊxȊ < 10000
Calculation results may be displayed in decimal form for input values
outside of the above ranges.
k ' Form Calculation Range
Results that include square root symbols can have up to two terms
(an integer term is also counted as a term).
' form calculation results use display formats like those shown
below.
The following shows the range for each of the coefficients (a, b, c, d,
e, f).
1 < a < 100, 1 < b < 1000, 1 < c < 100
0 < d < 100, 0 < e < 1000, 1 < f < 100
1
6
'3
2
1
12
50
3
± a'b , ± d ± a'b ,
±
a'b
±
d'e
cf