Texas Instruments TI-83 PLUS User Manual
Page 660
TI-83 Plus
Tables and Reference Information
657
Function or Instruction/
Arguments
Result
Key or Keys/
Menu or Screen/Item
c
2
cdf(
lowerbound
,
upperbound
,
df
)
Computes the
c
2
distribution
probability between
lowerbound
and
upperbound
for the specified degrees
of freedom
df
.
y
=
DISTR
7:
c
2
cdf(
c
2
pdf(
x
,
df
)
Computes the probability density
function (pdf) for the
c
2
distribution at
a specified
x
value for the specified
degrees of freedom
df
.
y
=
DISTR
6:
c
2
pdf(
c
2
.
Test(
observedmatrix
,
expectedmatrix
[,
drawflag
])
Performs a chi-square test.
drawflag
=1 draws results;
drawflag
=0 calculates results.
†
…
TESTS
C:
c
2-
Test(
Circle(
X
,
Y
,
radius
)
Draws a circle with center (
X
,
Y
) and
radius
.
y
<
DRAW
9:Circle(
Clear Entries
Clears the contents of the Last Entry
storage area.
y
L
MEMORY
3:Clear Entries
ClrAllLists
Sets to 0 the dimension of all lists in
memory.
y
L
MEMORY
4:ClrAllLists
ClrDraw
Clears all drawn elements from a
graph or drawing.
y
<
DRAW
1:ClrDraw
ClrHome
Clears the home screen.
†
I/O
8:ClrHome