Description
The default Calculator application is preinstalled with Windows OS. But, it also contains a bug which is not fixed by Microsoft yet. In fact, this bug exists in almost all versions of Windows including XP, Vista, 7 and Windows 8.
The default Calculator application is preinstalled with Windows OS. But, it also contains a bug which is not fixed by Microsoft yet. In fact, this bug exists in almost all versions of Windows including XP, Vista, 7 and Windows 8.
Solution:
This bug appears when you calculate the following:
sqrt(4)-2
This command first calculates the Square root of 4 and then subtracts 2 from the result. Square root of 4 is 2 and when you subtract 2 from it, the result is 0. In case, you use the Standard mode of Calculator then the result would be displayed as - 1.068281969439142e-19. In Scientific calculator, you get the result 8.1648465955514287168521180122928e-39 as shown in following screenshot:
Thus, it is definitely a bug. You get different result in different Windows versions. The reason behind this bug can be the way in which computer calculates the square root. The square root of 4 is calculated as 1.9999….. up to infinite by computer. After that, it shows the result as 2 using the round off mechanism. And, when you subtract 2 from the result then it actually subtracts it from 1.9999….. up to infinite. Eventually, it provides the result as the big series of numbers in minus.
Therefore, it is a bug similar to Notepad bug which also exists in all Windows versions. For more from the XpertCrewTM team, please follow us on Twitter @Techvedic or contact Techvedic’s computer support helpdesk, as per below contact-details:
U.S. +855-859-0057 (http://www.techvedic.com/ )
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AU 1-800-197-298 (http://www.techvedic.com.au/ )
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