But such concerns clearly don’t phase [Andrea Cavalli]. Sure he could just buy a scientific calculator, but it wouldn’t really be his scientific calculator. Instead, he’s taking the scenic ...

The slide rule sword gave way to calculators hanging from your belt loop, and for many engineers that calculator was from HP. Today’s students are more likely to have a TI or Casio calculator ...

Desmos offers a variety of math tools online. Many are calculators, including “a four-function, scientific, and graphing calculator.” The calculators are free to the public and can be accessed ...