Initialized with 16 BADs. These BADs need to be checked for correctness. summation(4,11)=60; summation(sqrt(4),11)=6504/01/11: summation(1,11)-4!=42 [42 is "Answer to Life, the Universe & Everything"] 04/02/11: 4*11-2=42 [42 is "Answer to Life, the Universe & Everything"] 04/03/11: cuberoot(11-3)=sqrt(4) 04/04/11: 4*11-sqrt(4)=42 [42 is "Answer to Life, the Universe & Everything"] 04/05/11: 11_{4}=5 04/06/11: 6*11-4!=42 04/07/11: 4+7=11 ... (sqrt(4)*11)/7~=Pi ... summation(4,11)-7=53 [MathBabbler was 53 on this date] 04/08/11 04/09/11: 11-9=sqrt(4) 04/10/11 04/11/11 04/12/11 04/13/11: 13-11=sqrt(4) 04/14/11 04/15/11: 15-11=4 04/16/11 04/17/11 04/18/11 04/19/11: cuberoot(19-11)=sqrt(4) 04/20/11: 20/4=11_{4}04/21/11: sqrt(4)*21+11=53 [MathBabbler was 53 years young on this date] 04/22/11: 22/(11-4)~=Pi ... sqrt(4)*11=22 04/23/11: 11_{23}=4! 04/24/11 04/25/11: 11_{4}=sqrt(25) 04/26/11 04/27/11: 11_{sqrt(4)}=cuberoot(27) 04/28/11 04/29/11: sqrt(4)+29+11=42 [42 is "Answer to Life, the Universe & Everything"] 04/30/11GDT::BAB::About Basic Arithmetic Dates (BADs)

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

**Created:** 29 March 2011 (posted 01 April 2011)

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