Pecfex Fextus

This user is a native speaker of the English language.

ဤအသုံးပြုသူ၏ မိခင်ဘာသာစကားမှာ မြန်မာစကား ဖြစ်သည်။

Userboxes

ax²+bx+c=0

This user likes algebra.

This user is interested in
logic.

This user is interested in mathematics and curious about topology.

\usepackage{chemfig}

\setchemfig{atom sep=2em}
\setchemfig{double bond sep=3pt}
\setchemfig{angle increment=30}

\chemfig{*6(-=(-[-1]-[1](=[3]O)-[-1]CH_3)-=-=)}