A Basic Scientific Calculator is a software program, or web application, designed to perform calculations related to math, science, engineering, medicine, and other fields of study. It can be used to solve complex equations, evaluate functions, and convert between various units of measurement. It also includes tools for plotting graphs, calculating derivatives and integrals, and various other features. It is typically used as an educational tool for students and professionals in fields requiring scientific calculations.
Discontinued XCALC is now a DEAD project per home page, but is still downloadable.