9
5. Fractions
a.
displays a menu from which
the way a fraction is shown is set
-
Un/d
displays a mixed number and
-
n/d
displays a single fraction (improper fraction) result.
and whether any given fraction is unsimplified (
Man)
with
d
n
D
N
showing at the
top, or in simplest terms with
Auto
This lets you select to display fraction results as mixed numbers or improper
fractions.
Press the left
and right arrow keys
and
to move the underline. To select
mixed numbers, underline
U n/d
and press
. To select improper fractions,
underline
n/d
and press
.
Press the down arrow
. The selection
MAN AUTO
is displayed
.
This lets you select to manually
simplify fractions (using the
key), or have the
calculator automatically simplify
fractions.
Press
and
to move the underline.
Press
to exit the Fraction Menu.
b. A mixed number is entered using the
button after the whole number part,
after the numerator and
after the denominator, followed by
, or the next part
of a calculation.
c.
changes a mixed number to an improper fraction and vice versa.
d. When the calculator is in
Auto
mode, and
d
n
D
N
is visible, pressing
simplifies
the fraction to lowest terms in one step.
e. When the calculator is in
Man
mode, and
d
n
D
N
is visible,
pressing
simplifies the fraction to lowest terms in steps where the factor or
divisor to be used can either be entered by the user or the calculator chooses the
factor.
Pressing
shows the factor that was used, and pressing it again displays the
simplified fraction. This is repeated until the
d
n
D
N
is no longer on the screen.
The calculator uses the lowest prime number available as a factor first, then moves
to the next prime factor until the fraction is fully simplified.
f. For calculations, the denominator can be from 1 to 1000. For conversions to decimals,
the denominator can be from 1 to 100,000,000.
