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  3. John D. Cook Consulting Blog

John D. Cook Consulting Blog

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John D. Cook Consulting Blog

29.05.2025

How Mathematica Draws a Dragonfly

How Mathematica produces curves, such as a dragonfly or a triceratops.

John D. Cook Consulting Blog

29.05.2025

How often to the hands of a clock line up?

How often do the hour and and minute hand of an analog clock point in the same direction?

John D. Cook Consulting Blog

31.05.2025

Stacking positive and negative cannonballs

Suppose you have n cannonballs and want to stack them in tetrahedral stacks. How many stacks will you need?

John D. Cook Consulting Blog

01.06.2025

The ellipse hidden inside Pascal’s triangle

A plot of the log of a row in Pascal's triangle makes a circular arc.

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