- Sustainable
£25.99Plus shipping
Sacks spiral on Backpack
A backpack for any occasion. Affords enough space for school books and files, and is the trusty companion you need on holiday or in times of leisure.
- Main compartment with double zipper and zipped front pocket
- Handy headphone opening for safe transport of an MP3 player or iPod while listening to music
- Holding capacity: 15.7 litres)
- Fabrics: 100% polyester
- A - Length in in
- B - Width in in
| Size | A (in) | B (in) |
|---|---|---|
| One Size | 14.96 | 11.02 |
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Created by inuqio
Sacks spiral
Created by inuqio
In the Sacks spiral, the values are plotted on an Archimedean spiral instead of the square spiral used by Ulam. With each full revolution, a perfect square is created.
Tags: maths, infinite, maths teacher, arithmetic, Mathematics, number, teacher, 1994, nerd, prime, chaos, Infinity, spiral, coordinates, cryptography, mathematician, crypto, Archimedes, geek, Polar coordinates, 4711, circle, Prime number, number theory, Robert Sacks
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