* <https://www.icdesigntips.com/2020/10/setup-and-hold-time-explained.html>
* <https://www.vlsiguide.com/2018/07/clock-tree-synthesis-cts.html>
* <https://en.wikipedia.org/wiki/Frequency_divider>
+
+# Geometric Haskell Library
+
+* <https://github.com/julialongtin/hslice/blob/master/Graphics/Slicer/Math/GeometricAlgebra.hs>
+* <https://github.com/julialongtin/hslice/blob/master/Graphics/Slicer/Math/PGA.hs>