Texas Instruments® TI-83 Plus Graphing CalculatorOffice Depot has an insane price for the Texas Instruments TI-83 Plus Graphing Calculator.  It’s $100 – $25 coupon (88440125) – $50 mail-in-rebates + Free Shipping = $25 Shipped!

Don’t forget Office Depot $25 off $75 coupon: 88440125 (enter this at the top of the billing page)

Rebate #1 here

Rebate #2 here


  • TI’s most popular calculator perfect for anyone going back to school
  • 160k flash ROM for electronics upgrades and new applications
  • 24k of RAM _ 16 character display and 7 different graphing styles

Buy it: Texas Instruments TI-83 Plus Graphing Calculator – $25

Christen Costa

Grew up back East, got sick of the cold and headed West. Since I was small I have been pushing buttons - both electronic and human. With an insatiable need for tech I thought "why not start a blog focusing on technology, and use my dislikes and likes to post on gadgets."