Pi Number. "π". Math Journal


Pi Number. "π". Math Journal. Embroidered A5 Notebook.
Front cover of a blue card stock, with a print of the sequence of "π" Number, partly hand embroidered in red cotton threads.
The number π is a is a mathematical constant, the ratio of a circle's circumference to its diameter, approximately equal to 3.14159.
It has been represented by the Greek letter "π" since the mid-18th century though it is also sometimes spelled out as "pi" (/paɪ/).
Being an irrational number, π cannot be expressed exactly.
This notebook is made by using a traditional Japanese stab binding technique.
Bound with red jad string.
Contains : 50 sheets (100 pages front and back).
You can choose plain, ruled or squared paper inside the notebook.
Dimensions : 21cm x 15cm / 8.3 x 5.8 inches (A5).
Made to order, please check current turnaround time.
Slight differences may exist from the photo shown here, as it is completely handmade.
Pens, pencils etc. shown in the photos are not included.
You can see shipping cost during checkout.
All products will come gift wrapped.



Reviewed by antonio.cascalheira on Dec 11, 2019
I received the notebook today. As someone wrote once on the web about these notebooks "Are Almost Too Pretty to Use". What an exquisite handcrafted book. Thank you. António
Pi Number. "π" by Fabulous Cat Papers
Reviewed by jeisenberg323 on Apr 26, 2016
Pi Number. "π" by Fabulous Cat Papers