Yutaka Nakao
PrimeCalc - mod,prime factor PrimeCalc - mod,prime factor
TreeChart - easy mindmap TreeChart - easy mindmap
FlexMemo - 拡大・縮小が自由自在なメモ帳 FlexMemo - 拡大・縮小が自由自在なメモ帳
Siwake - 家計簿感覚で仕訳が身につく Siwake - 家計簿感覚で仕訳が身につく
EasyImageFilter - one touch EasyImageFilter - one touch
ShogiShoot - To master shogi ShogiShoot - To master shogi