Planet Earth Blog
Selecting category "Math". 3 posts on 1 page found.
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Einstein’s Riddle
February 4, 2024
This is a famous riddle: There are five houses lined up next to each other along a street. Each house is a different color, and each homeowner is of a different nationality, drinks a different beverage, smokes a different brand of cigar, and owns a different pet. If these variables can never repeat from house […]
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Dollars and Cents
January 24, 2021
With my recent work on the Money Converter Problem Solver, I needed to manipulate money values and was again reminded of one of my pet peeves and that is the misuse of the cent symbol, ยข, which is underused and apparently misunderstood by many. One reason for its under use is the fact that it […]
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Cardinality and Bit Patterns
January 14, 2021
We just recently celebrated the feast of Epiphany, but this week I had an epiphany all my own, something I hadn’t realized before. It has to do with math and sets and bit patterns, some of my favorite things, but let me start at the beginning. That’s a very good place to start. Once upon […]