Hi all. I'm having trouble using the TI-84 plus. For example, the sequence is say 3Un+1 = 2(Un+3)/3. How do i key this equation in after i change to the <seq> mode? I dont know how to key in the <U> and the <n>. Please help me out guys, much appreciated.
PS: I've already read the Guide to H1 and H2 Maths that came along with the G.C. but the examples inside didnt illusrate how to key in the <U> and the subscript <n>.
Hi,
1. Press "Y=" to enter the recurrence expression.
2. The recurrence expression has to be rewritten as U_n = 2/9 [ U_(n - 1) + 3 ], since the calculator uses U_n as the subject on the LHS.
3. To type "U", press "2ND" followed by "7". To type "n", press "X, T, theta, n".
Be sure to understand what "nMin" and "u(nMin)" in the GC mean too.
Thanks!
Cheers,
Wen Shih
Hi,
Thanks for your question, for it became an article for me to write on:
http://www.freewebs.com/weews/recurrencerelations.htm
Do feel free to share it with your friends and classmates who may be struggling with their GCs. Thanks in advance!
Cheers,
Wen Shih