in “Central Limit Theorem”, the letter over the arrow rendered by this code bits
——
to a [[normal distribution|normal]] {{math|''N''(0,''σ''²)}}:<ref>Billingsley
(1995, p.&nbsp;357)</ref>

:<math>\sqrt{n}\left(S_n - \mu\right)\ \xrightarrow{d}\
N\left(0,\sigma^2\right).</math></blockquote>
——

appears as an “a”, rather than as a “d”. possibly the riser of the “d” is truncated? i
don’t see this error on the web version.

thanks for the great app!