If you're taking math or science courses, you'll most likely only be allowed to use a handheld calculator on exams.When you're on your own, you're better off using something like Python. Python's ...

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.

Available beginning this fall, the TI-84 Plus CE Python graphing calculator will also include features like a full-color screen and a rechargeable battery that lasts up to a month.