perplexus.info :: Just Math : Special (int)ention

Special (int)ention (Posted on 2023-04-02)

solve :

7-int(x)=x.

See The Solution Submitted by Ady TZIDON

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re(3): solution

| Comment 5 of 8 |

(In reply to re(2): solution by Charlie)

Wow. It also does the ceiling function wrong

solve x+ceil(x)=7

gives

x ≈ 3. - 1.37702×10^-10 i...

but the "more digits" button expands it to

x ≈ 3.000000000000000000438368761 - 2.583514510316960494783222875×10^-19 i...

Like the program is trying to stretch 3 just a little bit so the ceiling will raise it to 4.

Posted by Jer on 2023-04-03 08:24:31

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