The hidden monopoly behind your TI graphing calculator

The same calculator has been on most kids' back to school shopping list since the early 2000's and the dominance of Texas Instruments' calculator division goes back even farther.

In the next episode of Version History, David Pierce is joined by The Verge's Nilay Patel and Victoria Song to tell the story of TI graphing calculators and how one company managed to take over the market and never let it go.