The program is given a mathematical expression and plots a graph for this function (if it is valid). This done by converting the expression into postfix and then calculating the expression at different points. ######Note : the input must have no spaces and flow the mathematical expression rules in order to be valid.
Plotter specifications:
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The plotter Support the following operators (+, -, *, /, ^) only.
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The Entered variable must be in terms of x only.
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The user is can specify the minimum, maximum values of x.
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The user can increase graph precesion by increasing the number of points used to draw graph.
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The Enter Button is a shortcut for the plot button.
Valid Expression: 5+x^2+3*x+1
Invalid Expression_1: 5*i+
Invalid Expression_2: 7x+3/0
