diff --git a/README.md b/README.md
index e2bf568..08845ed 100644
--- a/README.md
+++ b/README.md
@@ -344,6 +344,9 @@ There're also some great commercial libraries, like [amchart](http://www.amchart
 * [odometer](https://github.com/HubSpot/odometer) - Smoothly transitions numbers with ease.
 * [accounting.js](https://github.com/josscrowcroft/accounting.js) - A lightweight JavaScript library for number, money and currency formatting - fully localisable, zero dependencies.
 * [money.js](https://github.com/josscrowcroft/money.js) - A tiny (1kb) javascript currency conversion library, for web & nodeJS.
+* [Fraction.js](https://github.com/infusion/Fraction.js) - A rational number library for JavaScript
+* [Complex.js](https://github.com/infusion/Complex.js) - A complex number library for JavaScript
+* [Polynomial.js](https://github.com/infusion/Polynomial.js) - A polynomials library for JavaScript
 
 
 ## Storage
@@ -723,6 +726,7 @@ http://www.listjs.com
 * [platform.js](https://github.com/bestiejs/platform.js) - A platform detection library that works on nearly all JavaScript platforms.
 * [json3](https://github.com/bestiejs/json3) - A modern JSON implementation compatible with nearly all JavaScript platforms.
 * [Logical Or Not](http://gabinaureche.com/logicalornot/) - A game about JavaScript specificities.
+* [BitSet.js](https://github.com/infusion/BitSet.js) - A JavaScript Bit-Vector implementation
 
 
 # Worth Reading