Mathematics

Solutions of Second-order Equations by ‘Determinant’

In optimization problems, we often encounter second-order equations in which we need to solve for unknowns in order to determine suitable values that are economical for designs as in engineering, and in business and economics for profit maximization. In th ...

Blog Post - Daisi Komolafe - Apr 2 2024 - 1:59pm

Exchange Sac In Blitz

Time and again, I play a "good" blitz chess game. In blitz chess you have 5 minutes thinking for the totality of your game. This demands quick reasoning and a certain level of dexterity- with the mouse, if you are playing online as I usually do. ...

Article - Tommaso Dorigo - Jul 1 2024 - 10:07am

Choosing Between Inquiry-Based Learning And Direct Learning

Inquiry-based learning is at the heart of the controversial ...

Article - Mark Pierce - Sep 16 2024 - 11:52am

Baseball Heresy- A Purist Mathematically Argues For The Unthinkable; More Playoffs

Living in California now, I follow my third 'home' team in my life.   Growing up in Vero Beach, FL I was (and remain) a Dodgers fan because they held spring training there for 60 years.   As an adult living in Pittsburgh I was (and remain) a Pira ...

Article - Hank Campbell - Oct 3 2024 - 8:42am

How Accurate Are Those Political Polls?

Nate Silver, a sports statistician, made waves when he accurately projected the results of the presidential election in 2008.  So a few days go when he predicted that President Obama was 75% likely to win when polls only showed the candidates were about ev ...

Article - Hank Campbell - Nov 5 2024 - 9:52am

Ban Left Turns And Traffic Congestion Goes Down

More than 60% of traffic collisions at intersections involve left turns. Some U.S. cities – including San Francisco, Salt Lake City and Birmingham, Alabama – are restricting left turns. Dr. Vikash Gayah, a professor of civil engineering at Penn State Univ ...

Article - The Conversation - Jun 30 2025 - 9:15am

Calculate Optimal Bucket Size For Your Halloween Haul

Want a real Halloween nightmare? Imagine filling your child's  too-small bucket in the first three houses and going home with only a  small slice of your kid's potential rake. But if you allow your little monster (or in my case, blue whale with ...

Article - Garth Sundem - Sep 18 2025 - 12:07am