![Lipstick Math](http://mathfour.com/wp-content/uploads/2012/07/MathFourLipstickFI.jpg)
Did you know that there’s math in lipstick? It’s the same math that’s in toys and just about anything else you buy! Continue Reading →
Did you know that there’s math in lipstick? It’s the same math that’s in toys and just about anything else you buy! Continue Reading →