Casio FX-991ES User Guide - Page 43

Examples of S-D Transformation

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Note • When you transform from decimal form to standard form, the calculator automatically decides the standard form to use. You cannot specify the standard form. Fraction: The current fraction display format setting determines whether the result is an improper fraction or mixed fraction. π: The following are the π forms that are supported. This is true only in the case of Math format. nπ (n is an integer.) d c π or a b c π (depending setting) on fraction display format • Transformation to a fractional π form is limited to inverse trigonometric function results and values that are normally expressed in radians. • After obtaining a calculation result in ' form, you can convert it to decimal form by pressing the f key. When the original calculation result is in decimal form, it cannot be converted to ' form. Examples of S-D Transformation Note that S-D transformation can take some time to perform. Example: Fraction → Decimal MATH Math '5c6= • Each press of the f key toggles between the two forms. f f Appendix π Fraction → Decimal ' → Decimal E-41

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E-41
Note
• When you transform from decimal form to standard form, the
calculator automatically decides the standard form to use. You
cannot specify the standard form.
Fraction: The current fraction display format setting determines
whether the result is an improper fraction or mixed
fraction.
π
:
The following are the
π
forms that are supported.
This is true only in the case of Math format.
n
π
(
n
is an integer.)
c
d
π
or
c
b
π
a
(depending on fraction display format
setting)
• Transformation to a fractional
π
form is limited to inverse
trigonometric function results and values that are normally
expressed in radians.
• After obtaining a calculation result in
'
form, you can convert it
to decimal form by pressing the
f
key. When the original
calculation result is in decimal form, it cannot be converted to
'
form.
Examples of S-D Transformation
Note that S-D transformation can take some time to perform.
Example:
Fraction
→
Decimal
MATH
'
5
c
6=
Math
• Each press of the
f
key toggles between the two forms.
f
f
Appendix
<#046>
π
Fraction
→
Decimal
<#047>
'
→
Decimal