Walmart offers the Texas Instruments TI-84 Plus Graphing Calculator
, model no. TI84PLUS, for $88
with free shipping
has it for the same price.) That's tied with our mention from last August and the lowest total price we could find today by $2. It features an 8-line by 16-character display, three times the memory of the TI-83 Plus, USB, kickstand slide case, and 13 preloaded applications. The calculator requires four AAA batteries, not included.