Tag: math

  • Palindrom numbers placed on an image of a coronal mass ejection from the Sun.

    A coronal mass acrostic

    After I mentioned my take on acrostics to a friend, with positional and palindromic acrostics, I was challenged to make a new poem; where not only the alphabetical position of the first letter would, when concatenated, make a palindrome, but also the…

  • Self numbers and self primes

    In 1949 the Indian mathematician D.R. Kaprekar discovered a class of numbers called self-numbers. A number N is said to be a self number if it cannot be written as m + the sum of digits of m for any m. To…

  • 100 000 Pi (π) decimals vs. random numbers

    I have previously written a post about how I decided to visualize 100k decimals of Pi, Tau and e with Python. To do that I chose a simple set of three rules that was repeated for each decimal digit; For each of…

  • Visualizing 100k decimals of Pi, Tau and e with Python

    Having an interest for numbers, Linux and small scale programming and scripting shortens the route to test out things like this. It generally starts out with: “I wonder what that would look like” and ends in a continuous awe for numbers, programming…

  • A mathematical poem

    When I read this mathematical poem by Leigh Mercer, I knew I had found a treasure: [latex] \frac{12 + 144 + 20 + 3 \sqrt{4}}{7} + \left ( 5 \times 11 \right ) = 9^{2} + 0 [/latex] A dozen, a gross,…

  • Create plasma-fractal wallpapers for your phone with ImageMagick

    Do you like fractals? Do you like plasma? Perhaps both? Or do you simply like to fiddle with linux terminal commands? I know what I like, therefore I give you a one liner to create five awesome wallpapers for your phone: Download…