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Calculators are equipments which are used by students, teachers or professionals to solve or explain mathematical calculations. These devices are specifically designed to provide solutions for any critical scientific problems. The characteristic of offering solutions related to advance mathematics make these modern calculating machines more different and unique from other kinds of calculators. These can be of various technologies that include electronic, mechanical, hardware or software. These are usually small and digital empowered with many built-in functions which are capable of handling scientific formulas used in chemistry or physics.

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