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Bruce Sherwood, the co-author of Matter and Interactions, had a question for me when I saw him at the American Association of Physics Teachers conference not long ago: "What calculator do you use?" If ...

Step inside any high-school math class in the United States, and chances are you’ll find students staring down at their Texas Instrument calculators, nimbly typing commands into those $100 pocket ...

Casio is quietly thriving in a corner of consumer tech that was supposed to be obsolete. Even as artificial intelligence floods classrooms and offices, the company is still shipping tens of millions ...

For 30 years, the technology that could help save the world has been in the hands of children. Solar calculators were such a routine part of math class from the mid-1980s onward that they barely ...