Beware 2038! Published on March 28, 2023March 27, 2023 by fivecolorssandt@icloud.com Numbers and the sky We describe a year when the rules don’t work. Read More
Factoring Published on February 14, 2023February 12, 2023 by fivecolorssandt@icloud.com Four ways Our tutor is faced with too many alternatives. Read More
What are the chances? Published on January 31, 2023January 31, 2023 by fivecolorssandt@icloud.com Some Bayesian statistics Mathematics isn’t always counterintuitive. Read More
Programmable (II) Published on August 23, 2022August 22, 2022 by fivecolorssandt@icloud.com Victory of the geeks We note one time when the computer-engineers won over the marketers. Read More
Take note Published on July 19, 2022July 18, 2022 by fivecolorssandt@icloud.com From the archives Our consultants review some old writings. Read More
Not even the question Published on April 19, 2022April 17, 2022 by fivecolorssandt@icloud.com Styles of mathematics A lot of learning lies ahead. Read More
Reading the dial (II) Published on February 22, 2022February 20, 2022 by fivecolorssandt@icloud.com Graphs and indicators Digits can be deceiving. Read More
Knowing too much (II) Published on February 8, 2022February 6, 2022 by fivecolorssandt@icloud.com Mind the gap Sometimes there’s a space between too little and too much. Read More
Knowing too much Published on February 1, 2022January 30, 2022 by fivecolorssandt@icloud.com Experience and word problems Who makes the best teacher? Read More
Knowing your limits Published on January 18, 2022January 14, 2022 by fivecolorssandt@icloud.com The art of the possible We consider being more realistic in education. Read More
