1. Not finding help here? Sign up for a free 30min tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Calculators Question about a key in the ti-89

  1. Jul 19, 2007 #1
    i am having trouble finding out what the diamond + stor -> key do. i don't know what that symbol means
  2. jcsd
  3. Jul 23, 2007 #2
    anybody know what this key means?
  4. Jul 25, 2007 #3


    User Avatar
    Gold Member

    Don't you have a manual for it? :confused:
    If not, maybe try out the company's website help section. Personally, I've never even seen one of those devices.
  5. Jul 25, 2007 #4


    User Avatar
    Gold Member

    I've seen the @ symbol a few times when I do certain computations. @ indicates an arbitrary integer and the TI89 manual has also given @ the name arbitrary. Here is what the TI89 manual (pg. 80; Symbolic Manipulation) had to say:
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?

Similar Discussions: Question about a key in the ti-89
  1. Log key for ti-89 (Replies: 4)

  2. TI 89 Useful or not? (Replies: 0)