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. Alan On Mon, Sep 23, 2013 at 8:13 AM, Alan Bowen wrote:

Try braces about the “12” as in \sqrt{12}{a^{11}}

Alan

On Mon, Sep 23, 2013 at 3:55 AM, Xan wrote:

...

Hi,

\sqrt[12]{a^{11}}

produces me:

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

What happens there?

Xan.

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