#ifndef CALCULATOR_H
#define CALCULATOR_H

#include <Fl/Fl.H>
#include <Fl/Fl_Input.H>
#include <Fl/Fl_Button.H>
#include <cstdlib>
#include <cstring>
#include <string>
#include <cmath>

class Calculator
{
private:
	int angle_mode;

public:
	Calculator();
	static void clear_cb(Fl_Widget* w, void* v);
	static void number_cb(Fl_Widget* w, void* v);
	static void pi_cb(Fl_Widget* w, void* v);
	static void sqrt_cb(Fl_Widget* w, void* v);
	static void frac_cb(Fl_Widget* w, void* v);

	void setAngleMode(int mode)
		{ angle_mode = mode; }
	int getAngleMode() const
		{ return angle_mode; }
};

#endif