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Eduardogobi (talk | contribs) Updating Windows version |
Citation bot (talk | contribs) Add: date, authors 1-1. Removed parameters. Some additions/deletions were parameter name changes. | Use this bot. Report bugs. | Suggested by Abductive | Category:Formerly proprietary software | #UCB_Category 44/146 |
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Until [[Windows 95]], it uses an [[IEEE 754-1985]] [[double-precision floating-point]], and the highest representable number by the calculator is 2<sup>1024</sup>, which is slightly above 10<sup>308</sup> (≈1.80 × 10<sup>308</sup>).
In [[Windows 98]] and later, it uses an [[arbitrary-precision arithmetic]] library, replacing the standard [[IEEE]] [[floating point]] library.<ref>{{Cite web |url=https://devblogs.microsoft.com/oldnewthing/20040525-00/?p=39193 |title=When you change the insides, nobody notices |website=The Old New Thing|date=25 May 2004 | access-date=2007-05-28 |archive-url=https://web.archive.org/web/20100306165045/http://blogs.msdn.com/oldnewthing/archive/2004/05/25/141253.aspx |archive-date=2010-03-06 |url-status=live }}</ref> It offers [[bignum]] precision for basic operations (addition, subtraction, multiplication, division) and 32 digits of precision for advanced operations ([[square root]], [[transcendental function]]s). The largest value that can be represented on the Windows Calculator is currently {{nowrap|<10<sup>10,000</sup>}} and the smallest is {{nowrap|10<sup>−9,999</sup>}}. (Also [[Factorial|!]] calculates the [[gamma function]] which is defined over all real numbers, only excluding the negative integers).
===Windows 2000, XP and Vista===
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All Windows 10 editions (both LTSC and non-LTSC) continue to have a {{code|calc.exe}}, which however is just a stub that launches (via ShellExecute) the handler that is associated with the '{{code|calculator:}}' pseudo-protocol. As with any other protocol or filetype, when there are multiple handlers to choose from, users are free to choose which handler they prefer{{mdash}} either via the classic control panel ('Default programs' settings) or the immersive UI settings ('Default Apps' settings) or from the command prompt via {{code|OpenWith calculator:}}.
In the Windows 10 Fall Creators Update, a currency converter mode was added to Calculator.<ref>{{Cite web |
On 6 March 2019, Microsoft released the [[source code]] for Calculator on [[GitHub]] under the [[MIT License]].<ref>{{Cite web|url=https://www.zdnet.com/article/microsoft-is-open-sourcing-windows-calculator-on-github/|title=Microsoft is open-sourcing Windows Calculator on GitHub|last=Foley|first=Mary Jo|author-link=Mary Jo Foley|date=6 March 2019|website=ZDNet|access-date=6 March 2019}}</ref>
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