8
2. Useful Keys for Solutions of Math Problems
•
Statistica!
calculations
with statistica! mode
[STAT], number of
samples/I:x
[ n I:x], mean/I:x
2
[i
:Ex'], standard deviation [ s a],
enter
data/correct
data
[ DATA
CD]
keys.
•
lndependently accessible memory
.
(
r,,:;.,
, ~,
~
)
•
DEG/RAD/GRAD
selector key. (
~
l,..;,
•
Angular unit conversion
key. (
~
~)
•
Degree/Minute/Second conversion
key
for
decimai degree transformation.
(
f.~ )