Texas Instruments TI-83 Manual Book page 361

Function or Instruction/
Arguments
CoordOff
CoordOn
cos( value )
L1
cos ( value )
cosh( value )
L1
cosh ( value )
CubicReg [Xlistname
Ylistname , freqlist
regequ]
cumSum( list )
cumSum( matrix )
dbd( date1 , date2 )
4Dec
value
Result
Turns off cursor coordinate
value display.
Turns on cursor coordinate
value display.
Returns cosine of a
real number, expression, or
list.
Returns arccosine of a real
number, expression, or list.
Returns hyperbolic cosine of a
real number, expression, or
list.
Returns hyperbolic arccosine
of a real number, expression,
or list.
, Fits a cubic regression model
, to Xlistname and Ylistname
with frequency freqlist, and
stores the regression equation
to regequ.
Returns a list of the cumulative
sums of the elements in list,
starting with the first element.
Returns a matrix of the
cumulative sums of matrix
elements. Each element in the
returned matrix is a cumulative
sum of a matrix column from
top to bottom.
Calculates the number of days
between date1 and date2 using
the actual-day-count method.
Displays a real or complex
number, expression, list, or
matrix in decimal format.
Tables and Reference Information A-5
Key or Keys/
Menu or Screen/Item
† y [
]
FORMAT
3-14
CoordOff
† y [
]
FORMAT
3-14
CoordOn
™
L1
y [
]
COS
y [
]
CATALOG
cosh(
15-10
y [
]
CATALOG
L1
cosh (
15-10
...
CALC
6:CubicReg
12-26
y [
]
LIST
OPS
11-12
6:cumSum(
Ž
MATH
0:cumSum(
10-15
y [
]
FINANCE
CALC
14-13
D:dbd(

MATH
2:4Dec
2-3
2-3
2-5