diff --git a/README.md b/README.md
index e38f7fc..a261c2d 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,8 @@ Algorithms
 #### Numerical
 
   * [gcd](https://en.wikipedia.org/wiki/Greatest_common_divisor)
+  * [factorial](https://en.wikipedia.org/wiki/Factorial)
+  * [fibonacci](https://en.wikipedia.org/wiki/Fibonacci_number)
 
 Contribution
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