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I don't mean a TI-84 type calculator, and I also do not mean a simple calculator app on your phone.

Does a basic scientific calculator require an operating system?

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    $\begingroup$ Since there are plenty of Turing-complete machines resp. machine models that don't "require" an OS, clearly no. We don't need OSs, they just turn out to be pretty convenient. $\endgroup$ – Raphael Aug 18 '16 at 21:55
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    $\begingroup$ Almost my first job was programming a 360/30, and there was an adjacent room with a table full of about half a dozen of these -- johnwolff.id.au/calculators/Friden/FridenC10-512-IMG_2659-5.jpg Don't think they had an os. $\endgroup$ – John Forkosh Aug 19 '16 at 8:08
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No.

Operating systems have several purposes, such as interfacing with the hardware and, managing multiple concurrent or sequential applications and providing protection between different users. A calculator has only user and only one application so there's nothing to manage there. And the hardware is simple enough that the single application may as well just talk directly to it, rather than going through the intermediate layer of an operating system.

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yes we need a os for calculator which will manage the embedded os .purpose of os is to control hardware resources.OS by itself can not be used, it will need an embedded os for calculator

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  • $\begingroup$ Do simple 4 function calculators have an OS? $\endgroup$ – Christopher Bell II Aug 28 '17 at 18:42
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    $\begingroup$ I don't think that's true. $\endgroup$ – Yuval Filmus Aug 28 '17 at 18:47
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    $\begingroup$ Please cite some sources to justify this rather unbelievable claim. $\endgroup$ – David Richerby Aug 28 '17 at 20:26

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