いろんなフォントで「decimal system」変換
Zen Old Minchodecimal system
Yusei Magicdecimal system
M PLUS 1decimal system
Shippori Antiquedecimal system
Yuji Maidecimal system
Dela Gothic Onedecimal system
DotGothic16decimal system
Train Onedecimal system
Hira Minchodecimal system
Potta Onedecimal system
Reggae Onedecimal system
Stickdecimal system
Zen Kurenaidodecimal system
Kosugi Marudecimal system
Rampart Onedecimal system
Hachi Maru Popdecimal system
New Tegomindecimal system
RocknRoll Onedecimal system
Kaisei Decoldecimal system
「decimal system」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
この漢字は何でしょう？？