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+---
+slug: "combinations-and-permutations"
+title: "Combinations and Permutations"
+
+# date (optional for articles)
+date: "2022-11-19T09:01:17-04:00"
+
+# show on articles page
+show: true
+
+# uncomment to show table of contents
+toc: false
+
+pics:
+  formulas:
+    css: "image"
+    tip: "Table of common combination and permutation formulas."
+    sources:
+      - src: "/files/articles/combinations-and-permutations/formulas.svg"
+        width: 1024
+        height: 249
+
+  definitions:
+    css: "image"
+    tip: "Factorial and binomial coefficient definitions."
+    sources:
+      - src: "/files/articles/combinations-and-permutations/definitions.svg"
+        width: 1024
+        height: 240
+---
+
+Table of common combinations and permutations formulas.
+
+## Figures
+
+{{< pe-figure "formulas" >}}
+{{< pe-figure "definitions" >}}
+
+## Source
+
+* [`formulas.tex`][formulas-tex]: [TeX][] source for `formulas.svg`.
+* [`definitions.tex`][definitions-tex]: [TeX][] source for `definitions.svg`.
+
+[tex]: https://en.wikipedia.org/wiki/TeX
+  "Typesetting system commonly used for mathematics."
+[formulas-tex]: /files/articles/combinations-and-permutations/formulas.tex
+  "Original TeX for formulas.svg."
+[definitions-tex]: /files/articles/combinations-and-permutations/definitions.tex
+  "Original TeX for definitions.svg."