From e00ba096c8837abe85d366e0c1293c09dbe84d81 Mon Sep 17 00:00:00 2001
From: Eduardo Julian
Date: Wed, 18 Aug 2021 03:29:15 -0400
Subject: Some bug fixes.

---
 documentation/bookmark/hashing.md          | 4 ++++
 documentation/bookmark/math/number/dual.md | 2 ++
 documentation/bookmark/mixin.md            | 8 ++++++++
 3 files changed, 14 insertions(+)
 create mode 100644 documentation/bookmark/hashing.md
 create mode 100644 documentation/bookmark/mixin.md

(limited to 'documentation/bookmark')

diff --git a/documentation/bookmark/hashing.md b/documentation/bookmark/hashing.md
new file mode 100644
index 000000000..eda334300
--- /dev/null
+++ b/documentation/bookmark/hashing.md
@@ -0,0 +1,4 @@
+# Reference
+
+1. [The construct of a bit mixer](http://jonkagstrom.com/bit-mixer-construction/)
+
diff --git a/documentation/bookmark/math/number/dual.md b/documentation/bookmark/math/number/dual.md
index 508adae9a..345bddca3 100644
--- a/documentation/bookmark/math/number/dual.md
+++ b/documentation/bookmark/math/number/dual.md
@@ -1,5 +1,7 @@
 # Reference
 
+1. [Sensitivity of y w.r.t. to x in y=f(x) where f is a routine](https://scicomp.stackexchange.com/questions/38899/sensitivity-of-y-w-r-t-to-x-in-y-fx-where-f-is-a-routine/38900#38900)
+1. [Differentiable programming](https://en.wikipedia.org/wiki/Differentiable_programming)
 1. [Ditching Backpropagation: Automatic Differentiation and Dual Numbers](https://matiasmorant.wordpress.com/2017/12/29/dual-numbers/)
 1. [The Dual Numbers](https://www.youtube.com/watch?v=4nU-09e3iP8)
 1. [Dual number](https://en.wikipedia.org/wiki/Dual_number)
diff --git a/documentation/bookmark/mixin.md b/documentation/bookmark/mixin.md
new file mode 100644
index 000000000..bdcc7ae9c
--- /dev/null
+++ b/documentation/bookmark/mixin.md
@@ -0,0 +1,8 @@
+# Reference
+
+1. [Prototypes: Object-Orientation, Functionally](http://fare.tunes.org/files/cs/poof.pdf)
+1. [The Different Aspects of Monads and Mixins](http://ropas.snu.ac.kr/~bruno/papers/MixinAspects.pdf)
+1. [THAT ABOUT WRAPS IT UP: Using FIX to Handle Errors Without Exceptions, and Other Programming Tricks](http://www.lfcs.inf.ed.ac.uk/reports/97/ECS-LFCS-97-375/ECS-LFCS-97-375.pdf)
+1. [EffectiveAdvice: Disciplined Advice with Explicit Effects](http://www.cs.utexas.edu/~wcook/Drafts/2010/EffectiveAdvice.pdf)
+1. [16. Object Reorientation: Generic Functions](http://www.gigamonkeys.com/book/object-reorientation-generic-functions.html)
+
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