This page draws the profile curve of the binary function f(x, y), that is, fixes a variable to a constant and then becomes a unary function, then draws the curve of this function, and calculates the integral value within a given range. Enter the function expression in the edit box following f(x,y)= below. See the syntax of the function expression. Dual function expression web page, also select which variable to hold below, enter the value of the fixed variable, and then enter the upper and lower limits of the curve to be displayed. You can use constant expressions for numbers, and input methods for constant expressions. Constant expression calculation page. Then click the "Start Drawing" button to draw, the desired profile curve will be displayed, and the integral value will be given.

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