$$ \xcancel{\begin{matrix}\frac{1}{2} &\cdot&\frac{1}{4}&\cdot&\frac{1}{8}&\cdot&\frac{1}{16}&\cdot&\frac{1}{32}&\cdot&\frac{1}{64}&\cdot \\\\\hline \\ \frac{1}{2}&\space &\frac{1}{\boxed{4}} &\space &\frac{2}{8} &\hphantom{\cdot \frac{}{} \cdot} &&&\frac{4}{32} \end{matrix}} $$
linea infinita.
<HORIZONTAL LINE>
2$^a$ conclusio B. Tornij |
et 1 cor. 9$^{ae}$ conc: Al: Thomae. pag. 79 b.
$$ \begin{matrix}2\atop{1} & \frac{6}{12}&\frac{6}{24}\end{matrix} $$
$$ \begin{matrix}\frac{3}{16}&\frac{1}{16}\end{matrix} $$
$$ \begin{matrix}\frac{3}{8}&\frac{4}{8}\end{matrix} $$
$$ \begin{matrix}\frac{3}{8}&\frac{16}{64}|\frac{128}{192}|\frac{64}{96}\frac{8}{12}\frac{2}{3}\end{matrix} $$