This page draws a curve of a function defined by a function expression. Enter the function expression in the edit box after f(x)= below. For the syntax of the function expression, see the <a href="c712">Function Expression</a> page. Also enter the self to be displayed below. The range of the variable x is x1 and x2 (x1<x2). The range of the argument is generally the input number, but you can also input the constant expression. For the input method of the constant expression, see <a href="c703">Constant Expression</ a>Webpage. Then click on the "Show Curve" button and the curve for the given function within the given range will be displayed.