diff --git a/kaimono.rb b/kaimono.rb
new file mode 100755
index 0000000..62a0fcd
--- /dev/null
+++ b/kaimono.rb
@@ -0,0 +1,18 @@
+#!/usr/bin/env ruby
+# _*_ coding: utf-8 _*_
+
+puts"スーパーのレジだよ。"
+puts"買った物の値段を入れてね。(100円=100と入力しよう)"
+gokei = 0
+
+while true
+  puts"値段は?(終わりたいときはqを押してね)"
+  nedan = gets.chomp
+
+  if nedan =="q"
+    break
+  end
+
+  gokei += nedan.to_i
+  printf("今の小計は%d円だよ。\n",gokei)
+puts"お買い上げありがとうございました!"
diff --git a/orizinaru-.rb b/orizinaru-.rb
new file mode 100755
index 0000000..5243dda
--- /dev/null
+++ b/orizinaru-.rb
@@ -0,0 +1,10 @@
+#!/usr/bin/env ruby
+# _*_ coding: utf-8 _*_
+
+def waruni(x)
+  x/2
+end
+
+puts "数値を入れてください。割る2をします。"
+y = gets.to_i
+printf("%d\n",waruni(y))
diff --git a/takarakuzi.rb b/takarakuzi.rb
new file mode 100755
index 0000000..98fbc87
--- /dev/null
+++ b/takarakuzi.rb
@@ -0,0 +1,13 @@
+#!/usr/bin/env ruby
+# _*_ coding: utf-8 _*_
+
+takarakuzi = ["1等","2等","3等","4等","5等","6等","ハズレ"]
+
+puts "何がでるかなー?"
+sleep(1)
+puts"..."
+sleep(1)
+srand()
+nani = rand(7)
+printf("あなたは%sでした!\n",takarakuzi[nani])
+