private JButton createStyledButton(String text) =")) button.setBackground(new Color(255, 193, 7)); else if (text.equals("C")
public String calculateUnary(String operation, String value, boolean isDegree) try double num = Double.parseDouble(value); double result = 0; switch (operation) x return String.valueOf(result); catch (Exception e) return "Error";
public void clear() memory = 0;
public String calculate(String expression, boolean isDegree) try catch (Exception e) return "Error";