eWEEK content and product recommendations are editorially independent. We may make money when you click on links to our partners. Learn More. When it was launched in 1972, a little handheld instrument ...

Expressly designed for high-school and college mathematics instruction, the TI-92 combines the power of computer software and the independence of a calculator. The portable, hand-held unit sports a ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. In 1642, French mathematician Blaise Pascal invented a calculating machine that could add and ...

When humans counted on their fingers, everyone had a state-of-the-art (at the time) calculator at all times. But as we got smarter about calculation, we missed that convenience. When slide rules were ...