Graphing calculators can be used to graph functions defined on the real line, or higher-dimensional Euclidean space. Some calculators even have the ability to do computer algebra. For example, there are scientific calculators which include trigonometric and statistical calculations. In addition to general purpose calculators, there are those designed for specific markets. Calculator functions are included in most personal digital assistant (PDA) type devices. By the end of that decade, prices had dropped to the point where a basic calculator was affordable to most and they became common in schools.Ĭomputer operating systems as far back as early Unix have included interactive calculator programs such as dc and hoc, and interactive BASIC could be used to do calculations on most 1970s and 1980s home computers. They became popular in the mid-1970s as the incorporation of integrated circuits reduced their size and cost. Modern electronic calculators vary from cheap, give-away, credit-card-sized models to sturdy desktop models with built-in printers. Pocket-sized devices became available in the 1970s, especially after the Intel 4004, the first microprocessor, was developed by Intel for the Japanese calculator company Busicom. The first solid-state electronic calculator was created in the early 1960s. A modern scientific calculator with a LCDĪn electronic calculator is typically a portable electronic device used to perform calculations, ranging from basic arithmetic to complex mathematics.
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