vim: Add custom texmath snippets

home/.config/nvim/UltiSnips/texmath.snippets

@@ -0,0 +1,15 @@
+extends texmath
+
+snippet qf "Quadratic formula (user is responsible for parentheses)" w
+\frac{-${2:b} \pm \sqrt{$2^2 - 4 \cdot ${1:a} \cdot ${3:c}}}{2 \cdot $1}$0
+endsnippet
+
+snippet aligned "aligned environment (in math mode)" w
+\begin{aligned}
+ $1 &= $0 \\\\
+\end{aligned}
+endsnippet
+
+snippet si "Insert SI unit (only works with simple numbers)" w
+\SI{${1:amount}}{${2:unit}}
+endsnippet