Initialized with 19 BADs. These BADs need to be checked for correctness.

summation(9,11)=3009/01/11: log(11_{9})=1 09/02/11: 9+2=11 ... sqrt(9)=11_{2}09/03/11: summation(3,11)-9=54 [MathBabbler was 54 years young on this date] 09/04/11: 9+sqrt(4)=11 09/05/11: sqrt(9)!=11_{5}... 9+5!+11=140 [max. Tweet length] 09/06/11: summation(9,11)*6 degrees=Pi radians 09/07/11: avg(7,11)=9 09/08/11: 9+cuberoot(8)=11 09/09/11 09/10/11: avg(9,11)=10 09/11/11 09/12/11 09/13/11: 13-9=11_{sqrt(9)}09/14/11: summation(9,11)+14=54 [MathBabbler was 54 years young on this date] ... 14-sqrt(9)=11 09/15/11 09/16/11: 9+sqrt(sqrt(16))=11 09/17/11: 17-11=sqrt(9)! 09/18/11: 18/9=sqrt(11_{sqrt(9)}) 09/19/11 09/20/11: 20-9=11 09/21/11 09/22/11: 9+22+11=42 ["Answer to Life, the Universe, and Everything"] 09/23/11 09/24/11 09/25/11: 9+5!+11=140 [max. Tweet length] 09/26/11 09/27/11 09/28/11: sqrt(9)+28+11=42 ["Answer to Life, the Universe, and Everything"] 09/29/11 09/30/11: summation(9,11)=30GDT::BAB::About Basic Arithmetic Dates (BADs)

**Creator:** Gerald Thurman
[gthurman@gmail.com]

**Created:** 30 August 2011 (posted 01 September 2011)

This work is licensed under a Creative Commons Attribution 3.0 United States License.