Who doesn’t love a good math holiday? Most people know about Pi Day (3/14), but there are even rarer days on the calendar ...

It’s wild to think that a math puzzle from the 1200s is now helping power AI, encryption, and the digital world we live in.

There's nothing subtle about sunflowers. There they stand, taller than the garden fence, with vibrant yellow heads screaming summer and 'look at me'. But as summer turns to autumn, their heavy heads ...

Celebrate the simple mathematical sequence that is hidden in everything from sunflower spirals to Da Vinci's paintings ...

use one 7-seg display to show the pressed key number Tutorial use one 7-seg display to show the pressed key number (0 to F) with 4*4 matrix display Tutorial ...