Similar to チョーク
シャープペンシル
Mechanical pencilCAD
Computer-aided designDublin Core
Dublin CoreFortran
Fortran▲1 trendsCOBOL
COBOLC++
C++C言語
C (programming language)▲1 trendsC Sharp
C Sharp (programming language)Extensible Markup Language
XML0
01
1▼-1 trends2
23
34
45
56
67
78
89
913
13 (number)19
19 (number)40
40 (number)50
50 (number)70
70 (number)葦ペン
Reed pen角筆
カラム (筆記具)
Qalam紀州松煙墨