The TI 82 does not use the standard order of operations. Juxtaposition comes befroe multiplication, so, for example, 2/3x means 2/(3x) on the TI 82, but means (2/3)x every where else. This inconsistency was corrected on the TI-83. Hope that explanation helps.
Maxine Bridger The Cambridge School of Weston Weston, MA