The invention and development of the calculator have a rich history with contributions from several notable figures. One of the most important individuals in the history of mechanical calculators is Blaise Pascal. In 1642, he invented a mechanical calculator called the "Pascaline," which could perform addition... 1/4

The HP Prime Graphing Calculator is considered the most advanced calculator in the world due to its ability to perform symbolic calculations, graphing, and 3D graphing all on one device. It also has a built-in touchscreen and advanced programming capabilities. 151 $DEGEN