Texas Instruments TI-82 STATS - Page 361

Tables and Reference Information A–5
826DEC~1.DOC TI-83 international English Bob Fedorisko Revised: 10/26/05 2:20 PM Printed: 10/27/05 3:09
PM Page 5 of 58
Function or Instruction/
A
rguments Result
Key or Keys/
Menu or Screen/Item
CoordOff Turns off cursor coordinate value
display.
†
y [FORMAT]
CoordOff 3-14
CoordOn Turns on cursor coordinate value
display.
†
y [FORMAT]
CoordOn 3-14
cos(value) Returns cosine of a
real number, expression, or list.
™
2-3
cos
L1
(value) Returns arccosine of a real
number, expression, or list.
y [COS
L1
]
2-3
cosh(value) Returns h
yp
erbolic cosine of a
real number, expression, or list.
y [CATALOG]
cosh(
15-10
cosh
L1
(value) Returns h
yp
erbolic arccosine of
a
real number, ex
p
ression,
or list.
y [CATALOG]
cosh
L1
(
15-10
CubicReg [Xlistname,
Ylistname,
f
re
q
lis
t
,
regequ]
Fits a cubic re
g
ression model to
X
listname and Ylistname with
fre
q
uenc
y
f
re
q
lis
t
, and stores the
regression equation to regequ.
…
CALC
6:CubicReg
12-26
cumSum(list) Returns a list of the cumulative
sums of the elements in lis
t
,
starting with the first element.
y [LIST]
OPS
6:cumSum(
11-12
cumSum(matrix) Returns a matrix of the
cumulative sums of matri
x
elements. Each element in the
returned matrix is a cumulative
sum of a matri
x
column from to
p
to bottom.

MATH
0:cumSum(
10-15
dbd(date1,date2) Calculates the number of da
y
s
b
etween date1 and date2 usin
g
the
actual-day-count method.
y [FINANCE]
CALC
D:dbd(
14-13
value4Dec Dis
p
la
y
s a real or com
p
lex
number, ex
p
ression, list, or matri
x
in decimal format.

MATH
2:4Dec
2-5