Block: Counting Rod Numerals

Range U+1D360 - U+1D37F
Official Chart http://www.unicode.org/charts/PDF/U1D360.pdf
Wikipedia Counting rods (traditional Chinese: ็ฑŒ; simplified Chinese: ็ญน; pinyin: chรณu; Japanese: ็ฎ—ๆœจ; rลmaji: sangi) are small bars, typically 3โ€“14 cm long, that were used by mathematicians for calculation in ancient China, Japan, Korea, and Vietnam. They are placed either horizontally or vertically to represent any integer or rational number. The written forms based on them are called rod numerals.
https://en.wikipedia.org/wiki/Counting_Rod_Numerals
Characters
๐  ๐ก ๐ข ๐ฃ ๐ค ๐ฅ ๐ฆ ๐ง ๐จ ๐ฉ ๐ช ๐ซ ๐ฌ ๐ญ ๐ฎ ๐ฏ ๐ฐ ๐ฑ ๐ฒ ๐ณ ๐ด ๐ต ๐ถ ๐ท ๐ธ ๐น ๐บ ๐ป ๐ผ ๐ฝ ๐พ ๐ฟ