Xan—I misunderstood. You are right. The latest beta does not allow numerical roots higher than the 9th. Grouping the digits—as in $\sqrt[{12}]{…}$ does not help.


On Mon, Sep 23, 2013 at 8:13 AM, Alan Bowen <bowenalan03@gmail.com> wrote:
Try braces about the “12” as in


On Mon, Sep 23, 2013 at 3:55 AM, Xan <dxpublica@telefonica.net> wrote:


produces me:

\sqrt[1]{2} a^{11}

What happens there?

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