Re: Capital K as operator like \sum

Henning Hraban Ramm <[email protected]> Mon, 15 Jun 2026 15:18:53 +0200
Newsgroups gmane.comp.tex.context
Message-ID <[email protected]>
Am 15.06.26 um 13:22 schrieb Matthias Weber:
> Gauss introduced the capital Greek letter K to denote continued fractions (“Kettenbruch”), using it like Sigma in \sum and Pi in \prod.
> Is there a way to add the K as an operator so that it scales and behaves like \sum and \prod?
> 
> I have tried the MNWE
> 
> 
> \definemathsymbol[kb][operator]["039A] % capital Greek Kappa
> \starttext
> \startformula
> \kb_{i=1}^\infty\frac{a_i}{b_i} \ne \sum_{i=1}^\infty \frac1{2^i}
> \stopformula
> \stoptext

There’s \definemathoperator and \setupmathoperator; have a look into the 
math manual (mathincontext) if there’s enough information.

Hraban
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