Kaci Palmer, an Algebra I teacher, seventh-grade math teacher and girl’s basketball coach at Bob Courtway Middle School, places TI-84 calculators for student use in the supply closet of her classroom Tuesday. Palmer will soon begin her sixth year as a teacher at the school and plans to incorporate a new tool in her classroom — the TI Navigation System. Palmer said calculators in her classroom will be linked wirelessly a teacher’s monitor so that she can administer quizzes electronically. COURTNEY SPRADLIN PHOTO