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+Scientific Reference Man Pages
+==============================
+
+Note: These manpages use Unicode extensively and are written for
+[mandoc](https://mandoc.bsd.lv/).
+
+elements.7
+----------
+
+The periodic table of the elements, rotated 90 degrees to fit into a
+standard width terminal.
+
+constants.7
+-----------
+
+The [CODATA Values of the Fundamental Physical Constants][1].
+
+[1]: https://physics.nist.gov/cuu/Constants/index.html
+
+si.7
+----
+
+A reference for the SI units. Includes
+
+* Values of prefixes
+* All base and derived units with names from the SI brochure
+* All accepted non-SI units
+* Conversions between some non-SI units and SI equivalents
+
+How to Install
+==============
+
+Place into your system's manual page directory (on most systems, this
+will be `/usr/local/share/man/man7`), and run `makewhatis` as root.