Texas Instruments TI-30X - IIS Scientific Calculator Teachers Manual page 52

Store, Memory Variable,
Clear Variable
Test scores: 96, 76, 85.
Weekly scores: 92, 83, 97, and 86.
Find the average of test and weekly
scores. Find the final average.
Press
96 T 76 T
85 <
W 3 <
L <
92 T 83 T
97 T 86 <
W 4 <
T z
< <
W 2 <
© 1999 T I I
EXAS NSTRUMENTS NCORPORATED
Display
96+76+85
257.
DEG
Ans/3
85.66666667
DEG
Ans ¹ A
85.66666667
DEG
92+83+97+86
358.
DEG
Ans/4
89.5
DEG
Ans+A
175.1666667
DEG
Ans/2
87.58333333
DEG
L z
%
TI-30X ÙS: A Guide for Teachers
¦
48