Lazarus Pascal Tutorial (HD × 480p)

Unlike Python, Pascal requires you to declare a variable before using it. You do this inside a var block.

function AddNumbers(A, B: Integer): Integer; begin Result := A + B; // 'Result' is the special return variable end; lazarus pascal tutorial

// Display the result with 2 decimal places lblResult.Caption := FormatFloat('0.00', Fahrenheit) + ' °F'; end; Unlike Python, Pascal requires you to declare a