Charles Babbage: The Christian Mathematician
- Wednesday, May 25, 2005
Most people studying computer science or computer engineering get a strong background in mathematics as well as specific computer programming courses. If you want to pursue computer engineering and technology it would be good to learn a couple of computer programming languages such as Visual Basic and Visual C++. Other good courses to take include office applications such as word processors, spreadsheets, databases and presentation and graphics packages.
Don't let computers scare you. They are dumb machines. If people don't program them correctly they won't be able to use them as the tools they are intended to be.
This is a clever little mathematical trick. The bigger question is "Why does it work?" After trying it out, see if you can figure out how and why it works.
• Pick any three digits from the digits 0 through 9.
• Add 4 to your first choice and multiply it by 10.
• Add your second choice to this product, and multiply this by 10.
• To this product add your third choice.
• Subtract 400.
• Your final answer should have the three digits you picked in the same exact order, for example, I picked 6, 2 and 1:
• 6, 2, 1
• 6 + 4 = 10, 10 x 10 = 100 (6 was my first number)
• 2 + 100 = 102, 102 x 10 = 1020 (2 was my second number)
• 1020 + 1 = 1021 (1 was my third number)
• 1021 - 400 = 621 (621 is the same order as my picks of 6, 2, and 1)
Why? Try your own three digits and see what happens!
Ray & Gale Lawson have been homeschooling their 3 children since 1995. Ray holds a B.S. in Electrical Engineering from the Virginia Military Institute and works for Washington Group International in Aiken, SC. Gale holds a B.S. degree in Mechanical Engineering from the University of South Carolina and has been "full time mom and teacher" since the birth of their first child. They are members of Breezy Hill Baptist Church in Graniteville, SC and are active in Breezy Hill's homeschool ministry. Questions, comments and suggestions can be mailed to Ray at firstname.lastname@example.org or Gale at email@example.com.
This article was originally published in the Mar/Apr '05 issue of Home School Enrichment Magazine as part of an ongoing series on Profiles in Christianity & Science. For more information, visit http://HomeSchoolEnrichment.com.
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