ELIs when to use and not to use HomeForumsNemeth Code for Math and ScienceELIs when to use and not to use This topic has 1 reply, 2 voices, and was last updated 13 years ago by dworthing. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts July 3, 2013 at 9:10 am #11443 Janice L. CarrollModerator I have the following(slope of line a)×(slope of line b)Do I use the ELI with the a and the b or just the a?Thanks July 3, 2013 at 10:56 am #22080 dworthingParticipant You would use the ELI on both the a and the b. Both letters fit the definition of a single letter requiring the ELI. Nem sections 25 and 26 Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic.