This deal has ended.
For 3 more days (through 9/23), Office Depot has the Texas Instruments TI-83 Plus Graphing Calculator for $54.99 after our $20 off $75 coupon code and this $25 mail-in rebate. These are $100 in every school bookstore nationwide. There is free next business day delivery with a purchase of $50 as well. Other graphing calculators, including the TI-84 and TI-89, also have a $25 rebate and qualify for the coupon code.