304
Chapter 20: A to Z Function and Instruction Reference
20ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 304 of 118
Horiz
† GRAPH DRAW menu
Horiz
yValue
Draws a horizontal line on the current graph at
yValue
.
In a
ZStd
graph screen:
Horiz 4.5
b
IAsk
CATALOG
IAsk
Sets the table so that the user can enter individual
values for the independent variable.
IAuto
CATALOG
IAuto
Sets the table so that the TI
N
86 generates the
independent-variable values automatically, based on
values entered for
TblStart
and
@
Tbl
.
ident
MATRX OPS menu
ident
dimension
Returns the identity matrix of
dimension
rows ×
dimension
columns.
ident 4
b
[[1 0 0 0]
[0 1 0 0]
[0 0 1 0]
[0 0 0 1]]
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