Calculator plugin in PowerToys Run is subject to floating point precision loss

[YaBoiMega0]

Microsoft PowerToys version

0.89.0

Installation method

PowerToys auto-update

Running as admin

Yes

Area(s) with issue?

PowerToys Run

Steps to reproduce

Input an expression such as "=2^50" or "=1000000000000000+1" which does not fit within a double.
Observe that the answer is incorrect (using windows calculator or wolfram alpha for the correct result).

✔️ Expected Behavior

"=2^50" should return the correct value: 1125899906842624
"=1000000000000000+1" should return the correct value: 1000000000000001

❌ Actual Behavior

"=2^50" returns 1125899906842620
"=1000000000000000+1" returns 1000000000000000

Other Software

No response

[similar-issues-ai]

We've found some similar issues:

• PowerToys Run Calculator plugin Incorrectly displays results for 2 ^ 64 #32014 , similarity score: 87%
• Calculator output losing precision #18574 , similarity score: 86%
• number calculation error in powertoys run #28085 , similarity score: 85%
• Some problems in the calculator plugin in Powertoys run #17223 , similarity score: 85%
• Calculator incorrect results in PowerToys Run #35289 , similarity score: 85%
• PowerToysRun: Incorrect Parsing of Long Numbers in the Calculator #36937 , similarity score: 83%
• [Run][Calculator plugin] Incorrect results #13566 , similarity score: 82%
• Calculator in PowerToys Run making mistakes when number with too many digits after decimal point is involved #15636 , similarity score: 82%

If any of the above are duplicates, please consider closing this issue out and adding additional context in the original issue.

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