README.md in qlang-0.0.27182110 vs README.md in qlang-0.0.27182120

@@ -8,20 +8,26 @@
 
 ## How can we deal such a great mathematics in discret world?
 
 #### Q-language can be.
 
+Q let you know the sense of mathematics with Keyboard same as with a pen.
 
 ```
 +---Discret world---+                    +------mathematics-----+
 |        Ruby       |                    |        axiom         |
 |        TeX        |<------   Q  ------>|    Uncountable noun  |
 |       Pyhthon     |                    |  real number topology|
 +-------------------+                    +----------------------+
 ```
 
+## Demo
 
+Below code is input and output for interpreter of q-lang
+
+(you can try it by `qlang -i`)
+
 ### Differentiate
 
 ```
 d/dx(cos(x))
 => ( - sin( x ) )
@@ -83,19 +89,19 @@
     
 ## Use as native language
 
 ### Compile into R
 
-    $ qlang -R foo.q
+    $ qlang -r foo.q
     
 ### Compile into Ruby
 
-    $ qlang -Ruby foo.q
+    $ qlang -rb foo.q
     
 ### Compile into Python
 
-    $ qlang -Python foo.q
+    $ qlang -py foo.q
 
 
 ## Use as math template within other langs
 
 
@@ -112,11 +118,11 @@
 
   end
 end
 ```
 
-    $ qlang -Ruby example.rb
+    $ qlang -rb example.rb
     
 
 ```rb
 class ExampleClass
   def example_method
@@ -126,9 +132,14 @@
     a = Vector[1, 3, 4]
 
   end
 end
 ```
+
+## Interpreter
+
+    $ qlang -i
+    Q:-> 
 
 ## Contributing
 
 Welcome any your PR or issue.
 You can become commiter, if you commit even once.