### BABs Created During Fall 2013 Semester

Homepage

BABs are listed in the order in which they were created during the Fall 2013 Semester.

1. State of the BABs, Fall 2013 [18 August 2013]
2. About MathBabbler's Fall 2012 MAT122 Class [18 August 2013]
3. BARS:: Sign From the Movie "Beginning of the End" [18 August 2013]
4. Statistics 0.1 [18 August 2013]
5. Burrito Price Inflation at SCC [19 August 2013]
6. @Compufoo Tweet Count Hits 3300 [24 August 2013]
7. Facebook Nearing One Hundred Billion Market Value [25 August 2013]
8. Baby Pictures On Facebook [27 August 2013]
9. About the Number 38000 (thirty-eight thousand) [28 August 2013]
10. Average Cost of Raising a Kid [28 August 2013]
11. BAD::September 2013 Basic Arithmetic Dates [01 September 2013]
12. Labor Day 2013 [02 September 2013]
13. A Missed Deci-Pi Moment [02 September 2013]
14. About the Number 3663 (three thousand six hundred sixty-three) [02 September 2013]
15. @Nanofoo Tweet Count Hits 5400; @MathBabbler Tweet Count Hits 2900 [03 September 2013]
16. Betty Hits 84 Years of Age (Ditto for Bob Newhart) [05 September 2013]
17. Modeling the Cost of Taxi With a Linear Function [08 September 2013]
18. Lifting 80 Times Your Weight [09 September 2013]
19. Yet Another Friday The 13th (13 September 2013) [13 September 2013]
20. About the Number 1752 (one thousand seven hundred fifty-two) [14 September 2013]
21. Square-Root September Pi Day 2013 [14 September 2013]
22. BARS:: Identical Road Signs On I-17 in Arizona [14 September 2013]
23. About the Number 257 (two hundred fifty-seven) [15 September 2013]
24. Fermat Numbers [17 September 2013]
25. Dietary Fiber of Carrots and Fiber [26 September 2013]
26. Google Turns Fifteen Years Young [27 September 2013]
27. Square-Root September Factorial Two Pi Day (Tau Day) on September 28th [28 September 2013]
28. BAD::October 2013 Basic Arithmetic Dates [01 October 2013]
29. MathBabbler's Age Pattern With His Sister's Age [03 October 2013]
30. National Metric Week (or Base-10 Week) 2013 [07 October 2013]
31. Exponential, Logarithm and Inverse Functions [13 October 2013]
33. Phoenix Home Prices Becomes Front-Page News [20 October 2013]
34. About the Number 719 (seven hundred nineteen) [20 October 2013]
35. Who is Manny Yarbrough? [20 October 2013]
36. Simplifying Algebraic Expressions [22 October 2013]
38. Amazon.com (AMZN) In the 21st Century [28 October 2013]
39. Math Litter in Tempe, Arizona [30 October 2013]
40. BAD::November 2013 Basic Arithmetic Dates [01 November 2013]
41. BARS:: Cell Phone Parking Lot at Sky Harbor Airport in Phoenix, Arizona [03 November 2013]
42. Twitter Goes Public (NYSE: TWTR) [07 November 2013]
43. International Stout Day 2013 [08 November 2013]
44. About the Number 3693 (three thousand six hundred ninety-three) [08 November 2013]
45. About the Number 1989 (one thousand nine hundred eighty-nine) [09 November 2013]
46. Veterans Day 2013 [11 November 2013]
47. About the Number 111213 (one hundred eleven thousand two hundred thirteen) [12 November 2013]
48. 11/12/13 [12 November 2013]
49. MathBabbler Missed Hecto-Pi Day 2013 [12 November 2013]
50. 12 November 2013--Neil Young at 68 and WWW at 23 [12 November 2013]
51. 3700 BABs [12 November 2013]
52. About the Number 3701 (three thousand seven hundred one) [12 November 2013]
53. 3200 Days of BABbling [14 November 2013]
54. About the Number 3201 (three thousand two hundred one) [14 November 2013]
55. About the Number 2520 (two thousand five hundred twenty) [17 November 2013]
56. BARS:: 3 Miles From San Antonio on I-75 in Florida [17 November 2013]
57. BARS:: 8 Miles From Coolidge on AZ Hwy-87 in Arizona [18 November 2013]
58. Mining Road Signs on an AZ Hwy-87 Road Trip [18 November 2013]
59. The Gettysburg Address [19 November 2013]
60. BARS:: 20 Miles From Chandler on AZ Hwy-87 in Arizona [21 November 2013]
61. About the Number 1421 (one thousand four hundred twenty-one) [21 November 2013]
62. About the Number 360360 (three hundred sixty thousand three hundred sixty) [22 November 2013]
63. DJIA Closes Above 16,000 (21 November 2013) [22 November 2013]
64. BARS:: 14 Miles From Casa Grande on AZ Hwy-187 in Arizona [23 November 2013]
65. New BARS Related Function Created (spd) [23 November 2013]
66. BARS:: 45 Miles From Picacho on AZ Hwy-87 in Arizona [23 November 2013]
67. About the Number 1212120 (one million two hundred twelve thousand one hundred twenty) [25 November 2013]
68. About the Number 1212121 (one million two hundred twelve thousand one hundred twenty-one) [25 November 2013]
69. About the Number 720720 (seven hundred twenty thousand seven hundred twenty) [25 November 2013]
70. MathBabbler's Daughter Turns 32 [25 November 2013]
71. MBNA Now Checks For Powerful Numbers [30 November 2013]
72. About the Number 243 (two hundred forty-three) [30 November 2013]
73. BAD::December 2013 Basic Arithmetic Dates [01 December 2013]
74. About the Number 152 (one hundred fifty-two) [03 December 2013]
75. About the Number 371 (three hundred seventy-one) [04 December 2013]
76. 80th Anniversary of the 21st Amendment [05 December 2013]
77. Nelson Mandela Dies At Age 95 [06 December 2013]
78. Google Doodle Honors Grace Hopper [09 December 2013]
79. About the Number 1101011 (one million one hundred one thousand eleven) [09 December 2013]
80. MBNA Now Checks For Numbers That Are Palindromic in Base-2 [09 December 2013]
81. Coldest Temperature on Earth [11 December 2013]
82. U.S. Spending Budget For Fiscal Year 2014 [11 December 2013]
83. About the Number 689 (six hundred eighty-nine) [11 December 2013]
84. Yet Another Friday The 13th (13 December 2013) [13 December 2013]
85. About the Number 347 (three hundred forty-seven) [13 December 2013]
86. Pi Day 2014 is 90 Days Away [14 December 2013]
##### BABs::Updated During Fall 2013 Semester

The following are existing BABs that were updated during the Fall 2013 Semester.

1. About the Number 90 (ninety)
[updated 14 December 2013; created 17 December 2008]
2. MathBabblerTube
[updated 14 December 2013; created 06 January 2008]
[updated 06 December 2013; created 06 January 2008]
[updated 01 December 2013; created 06 January 2008]
[updated 26 November 2013; created 06 January 2008]
[updated 21 November 2013; created 06 January 2008]
[updated 21 November 2013; created 06 January 2008]
[updated 15 November 2013; created 06 January 2008]
[updated 20 October 2013; created 06 January 2008]
[updated 13 October 2013; created 06 January 2008]
[updated 14 September 2013; created 06 January 2008]
[updated 13 September 2013; created 06 January 2008]
[updated 02 September 2013; created 06 January 2008]
[updated 29 August 2013; created 06 January 2008]
[updated 29 August 2013; created 06 January 2008]
3. Sexy Prime Triplets
[updated 13 December 2013; created 24 May 2011]
[updated 15 September 2013; created 24 May 2011]
4. Sexy Prime Pairs
[updated 13 December 2013; created 23 May 2011]
[updated 15 September 2013; created 23 May 2011]
5. Reversible Prime Pairs
[updated 13 December 2013; created 27 May 2011]
6. The Eisenstein Primes
[updated 13 December 2013; created 08 April 2009]
[updated 12 November 2013; created 08 April 2009]
[updated 20 October 2013; created 08 April 2009]
[updated 15 September 2013; created 08 April 2009]
7. ThurmNumbers
[updated 13 December 2013; created 20 July 2009]
8. Truman-Gerald Pairs
[updated 13 December 2013; created 23 June 2010]
[updated 12 November 2013; created 23 June 2010]
[updated 15 September 2013; created 23 June 2010]
9. About the Number 107 (one hundred seven)
[updated 09 December 2013; created 10 November 2009]
10. Narcissistic Numbers
[updated 06 December 2013; created 03 December 2013]
[updated 04 December 2013; created 03 December 2013]
11. MBNA Now Checks For Narcissistic Numbers
[updated 03 December 2013; created 09 July 2009]
12. MathBabbler Number Analyst (MBNA)
[updated 03 December 2013; created 18 April 2008]
13. MBNA Now Checks For Powerful Numbers
[updated 02 December 2013; created 30 November 2013]
[updated 30 November 2013; created 30 November 2013]
14. I-8 East and West Arrows at Freeman Road in Arizona
[updated 25 November 2013; created 17 May 2005]
15. Multiples of 10
[updated 25 November 2013; created 01 December 2009]
[updated 25 November 2013; created 01 December 2009]
[updated 22 November 2013; created 01 December 2009]
[updated 17 November 2013; created 01 December 2009]
[updated 28 August 2013; created 01 December 2009]
[updated 23 November 2013; created 03 April 2008]
17. BARS:: Highways Signs at AZ Hwy-87 Junction with AZ Hwy-187
[updated 21 November 2013; created 11 March 2008]
18. BAD::November 2013 Basic Arithmetic Dates
[updated 12 November 2013; created 01 November 2013]
19. Twitter Goes Public (NYSE: TWTR)
[updated 08 November 2013; created 07 November 2013]
20. About the Number 1957 (one thousand nine hundred fifty-seven)
[updated 07 November 2013; created 05 October 2005]
[updated 27 September 2013; created 05 October 2005]
21. About the Number 63 (sixty-three)
[updated 29 October 2013; created 08 November 2008]
[updated 27 October 2013; created 26 October 2013]
23. BARS:: Jct. Loop 101 on Eastbound Loop 202 in Tempe, Arizona
[updated 26 October 2013; created 09 June 2007]
24. BARS:: Phi HOV Exit 144 on Eastbound I-10 in Phoenix, Arizona
[updated 26 October 2013; created 28 March 2007]
25. The Hurricanes of 2013
[updated 07 October 2013; created 07 June 2013]
26. National Metric Week (or Base-10 Week) 2006
[updated 07 October 2013; created 11 October 2006]
27. BAD::September 2013 Basic Arithmetic Dates
[updated 11 September 2013; created 01 September 2013]
[updated 09 September 2013; created 01 September 2013]
28. Multiples of 100
[updated 28 August 2013; created 12 June 2009]
29. BAD::August 2013 Basic Arithmetic Dates
[updated 26 August 2013; created 01 August 2013]