Scientific calculators were invaluable to most of us ... in textbook-quality human-readable format. There’s also a graphing suite, and capability to handle matricies and vectors.

The kids may have colour TFTs and graphing functions ... and it gives the user everything you could wish for in a scientific calculator. The key legends are a set of printable stickers, which ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources ...