The following is the proper way to extract digits
sage: tanh(91).numerical_approx(digits=10)
1.000000000
sage: tanh(91).numerical_approx(digits=100)
0.9999999999999999999999999999999999999999999999999999999999999999999999999999998182667935304138503930
On Fri, 9 Feb 2024 at 17:16, Georgi Guninski <ggunin...@gmail.com> wrote:
>
> When I try to extract digits of tanh(91) via floor, I still get error
>
> sage: floor(10^4*tanh(91))
> ValueError
>
> sage: gp('floor(10^4*tanh(91))')
> 10000
>
>
> gp computes it both ways :)
>
> sage: gp.default('realprecision',10^5)
> 0
> sage: gp('floor(tanh(91))')
> 0
>
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