public dynamic xy(string formula, double from, double to, int n)
{
RPN rPN = new RPN();
return(rPN.Formula(formula, from, to, n));
}
public dynamic Get2(string formula, double x)
{
RPN rPN = new RPN();
return(rPN.Formula(formula, x));
}
public dynamic Get1(string formula)
{
RPN rPN = new RPN();
return(rPN.Formula(formula));
}