Texas Instruments TI-84 Plus Calculator
It features up to 10 graphing functions that can be defined, saved, graphed and analyzed at one time.
Walmart.com 
Just in time for back to school shopping, this Texas Instruments TI-84 Plus Calculator drops from $114.88 to only $88 at Walmart. You save 23% off the retail price for this graphing calculator. Plus, this item ships free. This is the lowest price online by about $12. The TI-84 Plus Calculator features 12 preloaded apps, USB cord, and the graphing calculator handles calculus, engineering, trigonometric and financial functions. Sales tax is charged in most states.
Texas Instruments TI-84 Plus Calculator
$88.00
