File: formula.repository

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openbabel 2.3.2%2Bdfsg-2
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file content (8 lines) | stat: -rw-r--r-- 320 bytes parent folder | download | duplicates (3) 
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\form#0:$a$
\form#1:$b$
\form#2:$c$
\form#3:$d$
\form#4:$S_v$
\form#5:\[ S_v = \left| \begin{array}{ccc} x_b - x_a & y_b - y_a & z_b - z_a \\ x_c - x_a & y_c - y_a & z_c - z_a \\ x_d - x_a & y_d - y_a & z_d - z_a \end{array} \right| \]
\form#6:$S_t$
\form#7:\[ S_t = (x_a - x_c) (y_b - y_c) - (y_a - y_c) (x_b - x_c) \]