Calculator apps and handheld calculators are clunky, but Python's interactive mode easily recalls previous results for calculations. You can also scroll through and search input.

But now Texas Instruments is introducing a new TI-84 graphing calculator that supports programming in Python.

The new TI-84 Plus CE Python calculator comes with familiar features such as a full-color screen and a rechargeable battery that can last up to a month on a single charge.