a homeschooling blog about Simon, a young mathematician and programmer, and his little sister Neva. Visit https://simontiger.com
The new cohort of World Science Scholars (a World Science Festival program for young math talents from across the world) seems to be more active than last year’s group. Or … Continue reading Year two of the World Science Scholars program
Simon has shown me an interesting way to add, subtract and multiply in binary using what is called a Napier’s Checkerboard (or Napier’s Chessboard), something he learned from his new … Continue reading A “quirky way to add, subtract and multiply in binary”
Autumn started with the death of our dear aunt Noor in The Netherlands, which came as a shock. It also brought about the second wave of COVID-19. That second wave … Continue reading Autumn in the skies
I wanted to get Java to mix the order of the numbers between -128 and 127. I think there’s no way to do that because the shuffling algorithm would break … Continue reading Fooling Java
10 times the volume of an olympic swimming pool of plastic waste ends up in the world ocean every hour. E v e r y h o u r. Today … Continue reading World Cleanup Day 2020
Simon’s back to the Integral Calculus course on Brilliant.org, picking up where he left off in July: trigonometric integrals. His private teacher says that in a Belgian high school, this … Continue reading Back to Integral Calculus
Simon showed us this guessing game where we had to guess the correct sequence of cards with numbers 1, 2, 3, 4 while the cards are all flipped upside down. … Continue reading The Perfect Sorting Algorithm
One more project from back in July. Inspired by one of his favorite resources Coolors.co, Simon created a beautiful color palette generator in p5.JS that builds off of a theme … Continue reading A Color Palette Generator in p5.JS
Something else I forgot to post from back in July: Simon explaining linear smoothing and exponential smoothing. You can play with Simon’s smoothing sketch at https://editor.p5js.org/simontiger/sketches/ABdeWZVvs The white circle is … Continue reading Smoothing
We were having a beautiful evening back home in Antwerp, at the harbor. At one point Simon started jotting some calculations on the reverse side of the menu sheet (he … Continue reading Why does everyone get tides wrong!?
A polyhedron is just a bunch of faces connected by edges. All the vertices are closed, so there’re no open bits. So there’s no rule that a polyhedron has to … Continue reading Some thoughts on the dimensions of polyhedra and polygons: How to make a 3D polygon with no area
I defined the efficiency function in JS, I turned the crank and I got this table. So what this is is the efficiency in bases 2 through 8 for the … Continue reading How efficient is a base?
Geeks out of the box 