Tables and Reference Information A-5
8399APXA.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 1:25 PM Printed: 02/19/01 1:40 PM
Page 5 of 58
Function or Instruction/
Arguments Result Key or Keys/
Menu or Screen/Item
CoordOff Turns off cursor coordinate
v
alue display.
† y [FORMAT]
CoordOff 3-14
CoordOn Turns on cursor coordinate
v
alue display.
† y [FORMAT]
CoordOn 3-14
cos(value)Returns cosine of a
real number, expression, or
list.
™
2-3
cosL1(value)Returns arccosine of a real
number, expression, or list.
y [COSL1]
2-3
cosh(value)Returns hyperbolic cosine of a
real number, expression, or
list.
y [CATALOG]
cosh( 15-10
coshL1(value)Returns hyperbolic arccosine
of a real number, expression,
or list.
y [CATALOG]
coshL1(15-10
CubicReg [Xlistname,
Ylistname,freqlist,
regequ]
Fits a cubic regression model
to Xlistname and Ylistname
with frequency freqlist, 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 list,
starting with the first element.
y [LIST]
OPS
6:cumSum( 11-12
cumSum(matrix)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.
MATH
0:cumSum(
10-15
dbd(date1,date2)Calculates the number of days
between date1 and date2 using
the actual-day-count method.
y [FINANCE]
CALC
D:dbd( 14-13
value4Dec Displays a real or complex
number, expression, list, or
matrix in decimal format.
MATH
2:4Dec 2-5