For a good example of stagnating technology, look no further than your local math classroom. While educational computers see replacement every couple of years, and the software on them even more regularly, many popular graphing calculator models have been around for over a decade with very few improvements. The basic functions these devices perform just can’t be improved with more processor power. But that doesn’t preclude making them simpler and easier to use, which Texas Instruments has attempted to do with its latest calculator, the TI-Nspire.
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