This cable is an ORIGINAL OEM Texas Instruments cable. One end of the cable is USB and the other is a mini-USB.  It was made by TI, specifically for these calculators:

TI 84

TI 84 Plus

TI 84 Silver

TI 84 Plus C Silver Edition

TI 84 Plus CE

TI 89

TI Titanium

TI Nspire 

TI Nspire CX

TI Nspire CAS

TI Nspire CX CAS

TI 92

You use this cable to transfer software, back up your calculator, or charge your calculator if it has a rechargeable battery.

THIS IS A 6 FOOT CABLE!!! Not the 3 foot one that others are selling!!!

PRICED TO SELL!