Knowledge Base

Solution 11747: Entering the Fibonacci Sequence on the TI-89 Family, TI-92 Plus and Voyage™ 200.

How can I generate the Fibonacci sequence on the on the TI-89 family, TI-92 Plus and Voyage 200?

In a Fibonacci sequence the first two terms are 1 and 1. Each succeeding term is the sum of the two immediately preceding terms.

Follow the procedure below to generate the Fibonacci sequence:

• Press [MODE]

• For the Graph mode, select 4:SEQUENCE

• Press [ENTER] [ENTER] to save the change and return to the Home screen

• Press [Diamond] [Y=]

• Enter u1=u1(n-1)+u1(n-2)

• Press [ENTER]

• Enter ui1={1,1}

• Press [ENTER]

• Press [Diamond] [TBLSET]

• Set the parameters to tblStart=1 and Dtbl=1

• Press [Diamond] [TABLE] and the Fibonacci sequence will be displayed in column 2 (u1)

 

Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information.