Add build requirement and Fix makkup

README

@@ -1,13 +1,15 @@
-#CalcFX
+# CalcFX
 
-CalcFX is a powerful calculator, can be given mathematical expression, and supports the features as functions, variables, constant numbers, many operators(e.g. remainder, factorial�c). 
+CalcFX is a powerful calculator, can be given mathematical expression, and supports the features as functions, variables, constant numbers, many operators(e.g. remainder, factorial�c). 
 
 This application provides unlimited saving of calculation history and quick copy.
 
 Built-in variable "ans" is stored as the last solution automatically, also the user can define unlimited number of variables. 
 
 The facilities previous mention revealed that this application gives more rich calculation environment.
 
+## Build Requirement
+- Java FX SDK 1.0 (Unfortunately, JavaFX 1.0 has been dead)
 
-##Licence
-(MIT License) - Copyright (c) 2012 Kazuki Hamasaki
+## Licence
+MIT License - Copyright (c) 2012 Kazuki Hamasaki