The estimated sign (℮) is a mark required to be appended to the nominal mass or volume printed on prepackaged goods for sale within the European Union. It certifies that the actual contents of the package comply with specified criteria for estimation:
The estimated sign looks like a lower-case "e" and its shape is precisely defined by an EU directive. This sign has been added to the Unicode list of characters, just as the symbol for the Euro has been, and can be considered a new basic character in a typeface. It is character U+212E (℮).
|Table of tolerable negative errors|
in g or mL
|50–100||4.5 g or mL|
|200–300||9 g or mL|
|500–1000||15 g or mL|