A scientific calculator is an electronic calculator, either desktop or handheld, designed to perform calculations using basic and advanced mathematical operations and functions. They have completely r
Casio fx-991DE X - a modern digital calculator from Casio with a dot matrix "Natural Textbook" LCD
Casio fx-77, a solar-powered digital calculator from the 1980s using a single-line LCD
HP-35, the world's first scientific pocket calculator, was introduced in 1972 by Hewlett-Packard. It used reverse Polish notation and an LED display.
A graphing calculator is a handheld computer that is capable of plotting graphs, solving simultaneous equations, and performing other tasks with variables. Most popular graphing calculators are progra
Scientific calculator
…tables and are used in both educational and professional settings. In some areas of study and professions scientific calculators have been replaced by graphing calculators and financial calculators which have the capabilities of a scientific calculator along with the capability to graph input data and functions, as well…
Casio fx-7000G; the world's first graphing calculator
HP Prime, a modern graphing calculator capable of doing Symbolic Manipulation, Computer Algebra System (CAS)
Typical ports on a graphing calculator. These contain a 2.5 mm I/O port for connecting to other calculators and a Mini USB port for connecting to a PC.
Casio fx-7000GA, c. 1987, an improved version of the fx-7000G