Just when you thought you’d seen a cover or case for every gadget under the sun, I give you a few more. Now you can customize your Texas Instruments TI 83, 84, 89 and Nspire CX & CX CAS graphing calculators with Guerrilla silicon covers, hard snap-on covers and faceplates. Choose from different colors and designs that will offer protection as well as style to your calculator. With back to school shopping in full swing, now is the perfect time to buy one. The covers range in price from $8.99 up to $15.27 depending on the model. You can find them at Amazon, Office Depot, Staples, OfficeMax, Walmart.com, Barnes & Noble, college booksellers, as well as most other college campus bookstores.
We use affiliate links. If you buy something through the links on this page, we may earn a commission at no cost to you. Learn more.