Any Palm OS hardware
Palm OS 3.1

The focus should be on your work, not your technology. Spend time answering problems and understanding key concepts, instead of remembering keystrokes. Reasons to choose powerOne Graph graphing-scientific calculator software:

* Carry a single Palm OS computer for all your needs without losing your calculator's functionality.
* Touch screen and large display makes interaction intuitive.
* Calculate the way you prefer: algebraic, RPN, order and chain input modes; quick access to routine functions.
* Designed specifically for all levels of mathematics, statistics and scientific exploration.
* Color equation and data graphing gives you an analysis edge.
* Templates appear like mini-spreadsheets, making it easy for you to focus on the analysis and share your work.
* Add on or create your own templates to match the way you work.
* Save calculations for later review.
* Integrated, editable notes means you don't need to carry a manual.