By 130 AD, Ptolemy, influenced by Hipparchus and the Babylonians, was using a symbol for 0 within a sexagesimal numeral system otherwise using alphabetic Greek numerals. Because it was used alone, not as just a placeholder, this Hellenistic zero was the first documented use of a true zero in the Old World. In later Byzantine manuscripts of his Syntaxis Mathematica , the Hellenistic zero had morphed into the Greek letter Omicron Another true zero was used in tables alongside Roman numerals by 525 , but as a word, nulla meaning nothing, not as a symbol. When division produced 0 as a remainder, nihil, also meaning nothing, was used. These medieval zeros were used by all future medieval computists . An isolated use of their initial, N, was used in a table of Roman numerals by Bede or a colleague about 725, a true zero symbol.
DOORMAT 2020 PRODUCT :
All of our products are custom-made-to-order and handcrafted to the highest quality standards.
Product Details:
- Mats can be highly effective in trapping dirt before entering the house and reducing the amount of dust and dirt that comes into the building.
- 0.3″ slim, making it just the right size for every entryway. Our unique doormats make a beautiful addition to your entryways, craft rooms, and office spaces.
- Perfect for any deck, patio, porch, veranda, and entryway and extend a warm welcome to all who enter your home!
- Backed with non-slip material and topped with polyester felt that is low-profile to reduce chances of tripping.
- UV protection with high-quality print will help slow the fading process in high-sunlit areas.
- This mat is safe for indoor or outdoor use.
THE CUSTOM ORDER PROCESS:
Our all over printed products require 3-7 business days production time, Quality is checked before and after printing.
We take pride in offering you a keepsake that is one of a kind, so it does take time, usually 2-3 weeks from creation to your door.
So, know you are in good hands, and if you have questions, we are here to help.
Thanks for your patience and for being a customer.
Product manufacturing information:
- Production time: 5 working days
- Worldwide Shipping time: 10 to 12 days by DHL and USPS
- All information please contact [email protected]
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