This deal has ended.
Through 7/26, Office Depot has several Texas Instruments Graphing Calculators at drastically reduced prices after $50 via two mail-in rebates (this $25 rebate and this $25 rebate - both only require copies of your receipt and UPC). The TI-83 Plus Graphing Calculator is now just $24.99 after both rebates and entering $25 off coupon code 88440125, the TI-84 Plus is $44.99 after the rebates and coupon code 88440125, the TI-84 Plus Silver Edition (also in pink and orange) is $64.99 after the rebates and coupon code 88440125 and the Nspire Graphing Calculator is only $79.99 after both rebates and $30 off coupon code 76902528. Beyond that, if you buy one of these, you'll be eligible for Two Free Movie Tickets. Shipping is free and sales tax is charged in most states.