#cs ----------------------------------------------------------------------------

 AutoIt Version: 3.3.14.2
 Author:         myName

 Script Function:
	Template AutoIt script.

#ce ----------------------------------------------------------------------------

; Script Start - Add your code below here



#include <EditConstants.au3>
#include <GUIConstantsEx.au3>
#include <StaticConstants.au3>
#include <WindowsConstants.au3>

GUICreate("Calculator", 260, 230)

$operator = ""
$clearDisplay = True

; Digit's buttons

Local $CTRL_EdtScreen = GUICtrlCreateEdit("0.", 8, 2, 239, 23, BitOR($ES_READONLY, $ES_RIGHT), $WS_EX_STATICEDGE)
Local $CTRL_LblMemory = GUICtrlCreateLabel("", 12, 39, 27, 26, $SS_SUNKEN)
Local $CTRL_btn0 = GUICtrlCreateButton("0", 54, 171, 36, 29)
Local $CTRL_btn1 = GUICtrlCreateButton("1", 54, 138, 36, 29)
Local $CTRL_btn2 = GUICtrlCreateButton("2", 93, 138, 36, 29)
Local $CTRL_btn3 = GUICtrlCreateButton("3", 132, 138, 36, 29)
Local $CTRL_btn4 = GUICtrlCreateButton("4", 54, 106, 36, 29)
Local $CTRL_btn5 = GUICtrlCreateButton("5", 93, 106, 36, 29)
Local $CTRL_btn6 = GUICtrlCreateButton("6", 132, 106, 36, 29)
Local $CTRL_btn7 = GUICtrlCreateButton("7", 54, 73, 36, 29)
Local $CTRL_btn8 = GUICtrlCreateButton("8", 93, 73, 36, 29)
Local $CTRL_btn9 = GUICtrlCreateButton("9", 132, 73, 36, 29)
Local $CTRL_btnPeriod = GUICtrlCreateButton(".", 132, 171, 36, 29)

; Memory's buttons
Local $CTRL_btnMClear = GUICtrlCreateButton("MC", 8, 73, 36, 29)
Local $CTRL_btnMRestore = GUICtrlCreateButton("MR", 8, 106, 36, 29)
Local $CTRL_btnMStore = GUICtrlCreateButton("MS", 8, 138, 36, 29)
Local $CTRL_btnMAdd = GUICtrlCreateButton("M+", 8, 171, 36, 29)

; Operators
Local $CTRL_btnChangeSign = GUICtrlCreateButton("+/-", 93, 171, 36, 29)
Local $CTRL_btnDivision = GUICtrlCreateButton("/", 171, 73, 36, 29)
Local $CTRL_btnMultiplication = GUICtrlCreateButton("*", 171, 106, 36, 29)
Local $CTRL_btnSubtract = GUICtrlCreateButton("-", 171, 138, 36, 29)
Local $CTRL_btnAdd = GUICtrlCreateButton("+", 171, 171, 36, 29)
Local $CTRL_btnAnswer = GUICtrlCreateButton("=", 210, 171, 36, 29)
Local $CTRL_btnInverse = GUICtrlCreateButton("1/x", 210, 138, 36, 29)
Local $CTRL_btnSqrt = GUICtrlCreateButton("Sqrt", 210, 73, 36, 29)
Local $CTRL_btnPercentage = GUICtrlCreateButton("%", 210, 106, 36, 29)
Local $CTRL_btnBackspace = GUICtrlCreateButton("Backspace", 54, 37, 63, 29)
Local $CTRL_btnClearE = GUICtrlCreateButton("CE", 120, 37, 62, 29)
Local $CTRL_btnClear = GUICtrlCreateButton("C", 185, 37, 62, 29)

Func _Add ()
$Display_String = ($Display_String & ' + ')
$Real_String = ($Real_String & ' + ')
GUICtrlSetData ($Display, $Display_String)
GUICtrlSetState ($Display, $GUI_FOCUS)
EndFunc

GUISetState()

Local $msg
Do
    $msg = GUIGetMsg()

if $msg=$CTRL_btnperiod then
	   $contents = GUICtrlread($CTRL_edtscreen)
	  	   GUICtrlSetData( $CTRL_edtscreen,$contents & ".")

	EndIf

	if $msg=$CTRL_btnMClear then
	   $contents = GUICtrlread($CTRL_edtscreen)
	  	   GUICtrlSetData( $CTRL_edtscreen,$contents & "MC")
EndIf

if $msg=$CTRL_btnMStore then
	   $contents = GUICtrlread($CTRL_edtscreen)
	  	   GUICtrlSetData( $CTRL_edtscreen,$contents & "MS")

EndIf

	if $msg=$CTRL_btnMAdd then
	   $contents = GUICtrlread($CTRL_edtscreen)
	  	   GUICtrlSetData( $CTRL_edtscreen,$contents & "M+")

	EndIf

	if $msg=$CTRL_btnChangeSign then
	   $contents = GUICtrlread($CTRL_edtscreen)
	  	   GUICtrlSetData( $CTRL_edtscreen,$contents & "+/-")

	EndIf

	if $msg=$CTRL_btnMRestore then
	   $contents = GUICtrlread($CTRL_edtscreen)
	  	   GUICtrlSetData( $CTRL_edtscreen,$contents & "MR")

	EndIf

	if $msg=$CTRL_btnInverse then
	   $contents = GUICtrlread($CTRL_edtscreen)
	  	   GUICtrlSetData( $CTRL_edtscreen,$contents & "1/x")

	EndIf

	if $msg=$CTRL_btnSqrt then
	   $contents = GUICtrlread($CTRL_edtscreen)
	  	   GUICtrlSetData( $CTRL_edtscreen,$contents & "Sqrt")

	EndIf

	if $msg=$CTRL_btnMRestore then
	   $contents = GUICtrlread($CTRL_edtscreen)
	  	   GUICtrlSetData( $CTRL_edtscreen,$contents & "MR")

	EndIf

if $msg=$CTRL_btnPercentage then
	   $contents = GUICtrlread($CTRL_edtscreen)
	  	   GUICtrlSetData( $CTRL_edtscreen,$contents & "%")
EndIf

if $msg=$CTRL_btnsubtract then

   $operator = "-"
   $clearDisplay = True

	EndIf

	if $msg=$CTRL_btnclear then
	   $contents = GUICtrlread($CTRL_edtscreen)
	  	   GUICtrlSetData( $CTRL_edtscreen,$contents & "C")

	EndIf

if $msg=$CTRL_btnbackspace then
	   $contents = GUICtrlread($CTRL_edtscreen)
	  	   GUICtrlSetData( $CTRL_edtscreen,$contents & "backspace")

	EndIf

	if $msg=$CTRL_btnClearE then
	   $contents = GUICtrlread($CTRL_edtscreen)
	  	   GUICtrlSetData( $CTRL_edtscreen,$contents & "CE")

	EndIf

	if $msg=$CTRL_btnanswer then
	   $contents = GUICtrlread($CTRL_edtscreen)
	  	   GUICtrlSetData( $CTRL_edtscreen,$contents & "=")


	EndIf

if $msg=$CTRL_btnAdd then
	   $operator = "+"
   $clearDisplay = True

	EndIf

	if $msg=$CTRL_btnmultiplication then
	   $contents = GUICtrlread($CTRL_edtscreen)
	  	   GUICtrlSetData( $CTRL_edtscreen,$contents & "*")

	EndIf

	if $msg=$CTRL_btn0 then
	   If $clearDisplay Then
		 GUICtrlSetData($CTRL_edtscreen, "")
		 $clearDisplay = False
	  EndIf

	   $contents = GUICtrlread($CTRL_edtscreen)
		 GUICtrlSetData( $CTRL_edtscreen,$contents & "0")

	EndIf

	if $msg=$CTRL_btn1 then
	  If $clearDisplay Then
		 GUICtrlSetData($CTRL_edtscreen, "")
		 $clearDisplay = False
	  EndIf

   	  $contents = GUICtrlread($CTRL_edtscreen)
	  GUICtrlSetData( $CTRL_edtscreen,$contents & "1")

	EndIf

	if $msg=$CTRL_btn2 then
	   If $clearDisplay Then
		 GUICtrlSetData($CTRL_edtscreen, "")
		 $clearDisplay = False
	  EndIf

	  $contents = GUICtrlread($CTRL_edtscreen)
	  GUICtrlSetData( $CTRL_edtscreen,$contents & "2")

    EndIf

	if $msg=$CTRL_btn3 then
	   If $clearDisplay Then
		 GUICtrlSetData($CTRL_edtscreen, "")
		 $clearDisplay = False
	  EndIf

	   $contents = GUICtrlread($CTRL_edtscreen)
		 GUICtrlSetData( $CTRL_edtscreen,$contents & "3")

		EndIf

		if $msg=$CTRL_btn4 then
		   If $clearDisplay Then
		 GUICtrlSetData($CTRL_edtscreen, "")
		 $clearDisplay = False
	  EndIf

	   $contents = GUICtrlread($CTRL_edtscreen)
	  	   GUICtrlSetData( $CTRL_edtscreen,$contents & "4")

		EndIf

		if $msg=$CTRL_btn5 then
		   If $clearDisplay Then
		 GUICtrlSetData($CTRL_edtscreen, "")
		 $clearDisplay = False
	  EndIf

	   $contents = GUICtrlread($CTRL_edtscreen)
	  	   GUICtrlSetData( $CTRL_edtscreen,$contents & "5")

		EndIf

		if $msg=$CTRL_btn6 then
		   If $clearDisplay Then
		 GUICtrlSetData($CTRL_edtscreen, "")
		 $clearDisplay = False
	  EndIf

	   $contents = GUICtrlread($CTRL_edtscreen)
	  	   GUICtrlSetData( $CTRL_edtscreen,$contents & "6")

		EndIf

		if $msg=$CTRL_btn7 then
		   If $clearDisplay Then
		 GUICtrlSetData($CTRL_edtscreen, "")
		 $clearDisplay = False
	  EndIf

	   $contents = GUICtrlread($CTRL_edtscreen)
	  	   GUICtrlSetData( $CTRL_edtscreen,$contents & "7")

		EndIf

		if $msg=$CTRL_btn8 then
		   If $clearDisplay Then
		 GUICtrlSetData($CTRL_edtscreen, "")
		 $clearDisplay = False
	  EndIf

	   $contents = GUICtrlread($CTRL_edtscreen)
	  	   GUICtrlSetData( $CTRL_edtscreen,$contents & "8")

		   EndIf

if $msg=$CTRL_btn9 then
   If $clearDisplay Then
		 GUICtrlSetData($CTRL_edtscreen, "")
		 $clearDisplay = False
	  EndIf
	   $contents = GUICtrlread($CTRL_edtscreen)
	  	   GUICtrlSetData( $CTRL_edtscreen,$contents & "9")

	EndIf



Until $msg = $GUI_EVENT_CLOSE