Texas Instruments TI-80 - The FRACTION Menu

3-8 Fractions
8003ENG.DOC TI-80, Chp 3, ENG, 135x205mm Bob Fedorisko Revised: 02/15/01 9:52 AM Printed: 02/15/01
9:53 AM Page 8 of 10
To display the FRACTION menu, press
J
. The menu items let you simplify
and convert fractions. When you select a menu item, the name is copied to the
cursor location.
FRACTION
1:
8
SIMP
Simplifies the fraction.
2:
8
b
º
c
Converts to a simple fraction.
3:
8
a
À
b
º
c
Converts to a mixed fraction.
4:
8
FRAC
Converts a decimal to a fraction based on mode.
5:
8
DEC
Converts a fraction to a decimal.
ú
SIMP
(simplify fraction,
FRACTION
, item 1) simplifies the
specified fraction and displays it, along with the simplification
factor.
Note:
ú
SIMP
can only be used in
MANSIMP
mode.
You have two options for simplifying fractions.
¦
You can let the calculator simplify the fraction, step-by-
step, using the lowest common factor (LCF).
fraction
ú
SIMP
¦
You can choose a factor (an integer) for simplifying the
fraction.
(
fraction
,
factor
)
ú
SIMP
Both simplification options update the variable
FACTOR
.
The FRACTION Menu
FRACTION Menu
Simplifying
Fractions
ú
SIMP