メモなどに使ってください〜 Ver. 1.0：公開 Ver. 1.1：消しゴム機能・全部消す機能・色表示機能追加、その他バグ修正 Feel free to use this for notes and the like. Ver. 1.0: Released Ver. 1.1: Added eraser function, "clear all" function, and color display; various bug fixes.
