Texas Instruments TI-86 - Manual (Page 316)

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 N86 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]]