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Many years ago, ~2009ish, a friend pointed out that Calculator.app was giving the wrong sign when raising a positive number to a negative exponent. It turned out to be a bug in CFNumber affecting virtually every app.

I noticed the other day that you can type "1+1 sq ft in sq in=" and macOS will helpfully autocomplete the answer: 1,694.0031 square inches. Which is completely wrong. 2 square feet is 288 square inches. It took a few minutes to solve the puzzle of what the hell it is doing.

So take caution trusting Apple's math, which naturally is up to 2x better³—for some value of x.

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The apple’s calculator is so bad, I cannot believe it that tech website used praise this.

If you type too quick, it misses numbers.

If you type too many times “+” it add too many times

If you try to use it as old standalone calculator, things does not calculate right.

It is hard to clear numbers.

Just so stupid.

I don't know if xcancel is getting hugged to death or blocks all of Canada or something, but I've been getting connection refused every time I've clicked on one of their links here.
I have fond memories of the Windows 3.1 calculator being unable to calculate 2.01 - 2. (It gives the answer 0.00)
Can we just say thank you for the xcancel link? I hope HN continues that trend for those of us without Twitter/X accounts.
Apple can save some memory by rewriting it as an Electron app.
That is a lot of calculations, how can a plain calculator leak so much memory to reach 32 GB?