: The size 2A0 is frequently referred to as A00 in some regions and drafting contexts.
: Research on the F3 (2A00) system, which relates to three-dimensional potential energy surfaces in molecular studies.
: 2A0 is an oversized paper format defined by the German DIN 476 standard . It is double the size of an A0 sheet, measuring 1189 x 1682 mm .
: Some government or environmental reports (e.g., leak detection logs or oil summary reports) use "2 a 00" or similar codes in their archival indexing.