The descendant of the abacus has greatly evolved since the days of Babylonians playing with beads. Leave the beads for the Bedazzled crowd, and marvel at the range of modern calculating machines, from the ittypowered technologies that might even impress Will Hunting (the Good). Calculators, while diverse, fall under four main categories: basic, graphic, scientific, and financial. @tableofcontents(omitlevel1)

Basic Calculators

Scientific Calculators

Graphing Calculators

Financial Calculators