Basic Binary Board Book
Printed board book
by Kris Kowal · 2025
On every page, four concentric rings divided into eight, four, two and one segments are the four bits of a number. Turn the page to add one, and count from zero to fifteen, 0b0000 to 0b1111, 0x0 to 0xF.
Each number also has its hexadecimal digit, its Latin and Greek roots and its Roman numeral.
Board book, in print, sold by Amazon. Not sold here as a PDF.