Texas Instruments TI-30X IIS - Page 55

© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X ÙS: A Guide for Teachers
48
Test scores: 96, 76, 85.
Weekly scores: 92, 83, 97, and 86.
Find the average of test and weekly
scores. Find the final average.
L z
%
¦
Press Display
96 T 76 T
85 <
96+76+8596+76+85
'
257.257.
DEG
W 3 <
Ans/3Ans/3
'
85.6666666785.66666667
DEG
L <
AnsAns¹AA
'
85.6666666785.66666667
DEG
92 T 83 T
97 T 86 <
92+83+97+8692+83+97+86
'
358.358.
DEG
W 4 <
Ans/4Ans/4
'
89.589.5
DEG
T z
< <
Ans+AAns+A
'
175.1666667 175.1666667
DEG
W 2 <
Ans/2Ans/2
'
87.58333333 87.58333333
DEG
Store, Memory Variable, Clear Variable