© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X
Ù
S: A Guide for Teachers
55
Sam is making his birthday cake.
The recipe calls for 3
1
/
2
cups of
flour. He has only a
1
/
2
-cup
measuring cup. To find out how
many times Sam must use his
measuring cup, change the mixed
number to a fraction.
3
1
/
2
¾
1
/
2
= 7
%
š
Press
Display
3
N
1
N
2
33
®
11
®
22
DEG
%
š
33
®
11
®
22
¾¾
AA
bb
//
cc ½½ ¾¾
dd
//
ee
DEG
<
33
®
11
®
22
¾¾
AA
bb
//
c
c ½½ ¾¾
dd
//
ee
'
7 / 2
7 / 2
DEG
Show the mixed number again.
%
š
<
Ans
Ans
¾¾
AA
bb
//
cc ½½ ¾¾
dd
//
e
e
'
33
−
1/2
1/2
DEG
Mixed Number to Fraction, Fraction to
Mixed Number
Summary of Contents for -30XIIS - Handheld Scienfic Calculator
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