Should replace "Euler's Constant with Euler's Number"

Volume III - Semiconductors » Diodes And Rectifiers » Introduction

http://www.allaboutcircuits.com/vol_3/chpt_3/1.html

The two diode formulas incorrectly refer to 'e' as Euler's Constant, when it is actually Euler's Number. Euler's Constant (gamma) is a different value (0.5772156649...), and Euler's Number 'e' (Napier's Constant) is 2.71828...