Since no one is likely to build an arcade cabinet version of a TI-89, all of these retro calculators are instead emulated entirely within a browser. This includes working buttons and functions on ...

Scientific calculators have features not found on most phone calculators. Tactile button presses and nostalgia make older ...

Upon entering the date of birth and clicking the calculate button, the user gets the current age - the age on the day one is using the calculator. The tool also helps one calculate the age on a ...