Texas Instruments TI-83 PLUS - Manual (Page 179)

TI-83 Plus Sequence Graphing 176
Chapter 6:
Sequence Graphing
Getting Started: Forest and Trees
Getting Started is a fast-paced introduction. Read the chapter for details.
A small forest of 4,000 trees is under a new forestry plan. Each year 20 percent of
the trees will be harvested and 1,000 new trees will be planted. Will the forest
eventually disappear? Will the forest size stabilize? If so, in how many years and
with how many trees?
1. Press z . Press † † † ~ ~ ~ Í to
select Seq graphing mode.
2. Press y . and select Time axes format
and ExprOn format if necessary.