GraphMath2 Hack 1.3 + Redeem Codes

Why don’t you draw a picture by using mathematics graph?
You can draw graphs by pushing numbers like calculator.
You can know nodes,you can show pictures someone by using tweet button.
Please check it out!
Now, you can draw linear function,quadratic function,cubic function,and circle.
If there are many requests,I'll add trigonometric function,Logarithmic function.