Best Calculator
Updated Daily
The Braun ET66 is a compact scientific calculator designed by Dieter Rams and Dietrich Lubs in 1987. Its minimalist aesthetic, prioritizing functionality over ornamentation, established it as a seminal design icon. The calculator’s clean lines and simple form have profoundly influenced digital inter...
Introduced by Texas Instruments in 1996, the TI-83 is a graphing calculator notable for its widespread adoption in educational curriculums and built-in programming capabilities.
The Casio CA-53W-1 is a robust digital watch utilizing solar power for consistent operation. It includes time, alarm, and stopwatch functions alongside a simple LCD display. This calculator-style watch is favored by those seeking a reliable, durable timepiece with basic functionality – particularly...
The HP 9830A is a vintage desktop computer from Hewlett-Packard released in 1987. It utilized a Motorola 68020 processor and offered integrated graphics, making it suitable for engineers, scientists, and professionals requiring advanced calculations and graphical display capabilities. Its engineerin...
Sir Clive Sinclair was a prominent British inventor and entrepreneur who significantly impacted the consumer electronics industry. He is best known for creating the ZX Spectrum, a home computer released in 1982 that made computing widely affordable in the UK. Earlier in his career, he also pioneered...
William Seward Burroughs was an American inventor who patented the first practical mechanical adding machine with a built-in printer in 1888. Before his invention, banking and accounting calculations were performed manually, leading to frequent errors. Burroughs founded the American Arithmometer Com...
Introduced by Hewlett-Packard in 1981, the HP-12C is a pocket-sized programmable financial calculator designed for real estate, accounting, and banking professionals. It distinguishes itself by utilizing Reverse Polish Notation (RPN) for data entry, a system that eliminates the need for parentheses...
The Casio DBC-32-1A is a quartz digital calculator watch in Casio's Databank line, combining timekeeping with a keypad-operated calculator and data-storage functions. Its LCD presents time and calendar information, while the front buttons allow numerical entry for arithmetic and stored contact detai...
George Robert Stibitz was an American mathematician and physicist who pioneered digital computing while working at Bell Labs in the 1930s and 1940s. In 1937, he constructed the Model K, an electromechanical relay-based binary adder built on his kitchen table. This work led to the creation of the Com...
The Casio fx-991EX ClassWiz is a scientific calculator designed for students and professionals requiring advanced mathematical functions. It features a high-resolution LCD screen and offers 552 computational functions, including matrix, vector, and distribution calculations. The device is powered by...
Introduced by Texas Instruments in 2004, the TI-84 Plus is a graphing calculator widely utilized in secondary and post-secondary education. It is an upgraded version of the TI-83 Plus, featuring a built-in USB port, a clock, and three times the available flash memory for storing applications. The de...
