Their GitHub page is https://github.com/numberdb
A similar program to the Inverse Symbolic Calculator, that is available
to download, is RIES [1]. It also have an online interface [2]. There
are also tools for guessing sequences which seem to be relevant, e.g.
CFiniteSequences.guess() in Sage [3] or more in FriCAS.
Regards,
TB
[1] https://mrob.com/pub/ries/index.html
[2] https://thomasahle.com/ries/
[3]
https://doc.sagemath.org/html/en/reference/combinat/sage/rings/cfinite_sequence.html
On 04/01/2026 19:29, David Roe wrote:
There is also numberdb.org <http://numberdb.org/>. For a list of
database projects of this type, see mathbases.org <https://mathbases.org/>.
David
On Sun, Jan 4, 2026 at 9:18 AM Vincent Delecroix
<[email protected] <mailto:[email protected]>> wrote:
This has already been done (but not available online anymore)
https://en.wikipedia.org/wiki/Inverse_Symbolic_Calculator <https://
en.wikipedia.org/wiki/Inverse_Symbolic_Calculator>
On Sat, 3 Jan 2026 at 09:58, Georgi Guninski <[email protected]
<mailto:[email protected]>> wrote:
>
> Happy 2*1013 new year!
>
> I propose a project for database of irrational constants.
> As the name suggests, it will have irrational constants.
> Probably both online and offline version should be available,
> the offline version will be for custom queries.
> Don't have estimate what time will it take to implement.
>
> Related existing projects OEIS [1] The L-functions and modular
> forms database (LMFDB) [2]
>
> [1] https://oeis.org/ <https://oeis.org/>
> [2] https://www.lmfdb.org/ <https://www.lmfdb.org/>
>
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