TI-83 Plus Index 770
DRAW STO (draw store menu), 239
DrawF (draw a function), 224, 661
drawing on a graph
circles (Circle(), 228
line segments (Line(), 218
lines (Horizontal, Line(, Vertical),
221
pixels (Pxl.Change, Pxl.Off, Pxl.On,
pxl.Test), 237
points (Pt.Change, Pt.Off, Pt.On),
233
tangents (Tangent), 222
text (Text), 230
using Pen, 232
DrawInv (draw inverse), 224, 661
DS<( (decrement and skip), 521, 661
DuplicateName menu, 644
dx/dt operation on a graph, 152, 165
dy/dx operation on a graph, 152, 165,
175
—E—e (constant), 65
e^( (exponential), 65, 661
edit keys table, 17
Else, 514
End, 476, 515, 662
Eng (engineering notation mode), 20,
662
ENTRY (last entry key), 33
entry cursor, 12
EOS (Equation Operating System), 47
eqn (equation variable), 72
Equ4String( (equation-to-string
conversion), 491, 662
equal-to relational test (=), 101, 693
Equation Operating System (EOS), 47
Equation Solver, 72
equations with multiple roots, 77
errors
diagnosing and correcting, 59
messages, 742
examples—applications
area between curves, 578
areas of regular n-sided polygons,
588
box plots, 560
box with lid, 546
defining a, 546
defining a table of values, 547
finding calculated maximum, 557
setting the viewing window, 551
tracing the graph, 553
zooming in on the graph, 555
zooming in on the table, 549
cobweb attractors, 572
fundamental theorem of calculus,
584
guess the coefficients, 574