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    REM "" Law 3andak mashakel fel copy, 5odha men 3l link dah: http://pastebin.com/raw.php?i=z9wbsCiS
    REM Computing Inverse of a Matrix by using the Adjoint Matrix Method
    REM Ver 0.3

        'input "size? "; size //TODO

        'USER INTERACTION
            print "Computing Inverse of a Matrix by using the Adjoint Matrix Method"
        input "Show Steps ? (yes?)"; ans$
        if ans$ = "1" or lower$(ans$) = "yes" then
        debug = 1
        else
            if ans$ = "2" or lower$(ans$) = "debug" then debug = 2
        end if


        size = 3 '7gm el matrix
        DIM orig(size+1,size+1)
        for r = 1 to size
            for c = 1 to size
                input "Row :";r;" Column :";c;" :"; orig(r,c)
            next c
        next r


        REM ~~ START

        dim modi(size, size)

        CrossX = 1 'X coord of the value which minor we want
        CrossY = 1 'Y coord of same
        n = 0 'Where to "goto" after execution
        goto 80 'ro7 e7seb el minor
        10 'back

        Determinant = Det(orig, 3, 0) 'Calculate Determinant
        print
        if Determinant <> 0 then
             print "Determinant: "; Determinant
        else
             print "|A| = 0, No Inverse exists for Zero-Matrix"
        end
        end if
                                                                    if debug > 0 then
                                                                       print "Minors:"
                                                                    end if
        '------------------------------------- ne7seb el cofactors
        DIM co(size+1,size+1) 'CoFactor Matrix
        for Roww = 1 to size
            for Coll = 1 to size
                CrossX = Roww
                CrossY = Coll
                n = 2
                goto 80 'Minor
                40 'back
                                                                    if debug > 0 then
                                                                        for r = 1 to size-1
                                                                            print
                                                                            print chr$(5);
                                                                            for c = 1 to size-1
                                                                                print modi(r,c),
                                                                            next c
                                                                            print chr$(5);
                                                                        next r
                                                                    end if
                co(Roww,Coll) = Det(modi, size-1, 1)
                'print ">";co(Roww,Coll)
                                                                    if debug > 0 then print "*";orig(Roww,Coll)
            next Coll
        next Roww


        '- ne5aiar el esharat we n2leb el matrix we n2sem 3l determinant
        dim inv(size+1,size+1)
        for r = 1 to size
            for c = 1 to size
                inv(r,c) = co(c,r) * -1^(r+c) / Determinant
                                                                    if debug > 1 then print inv(r,c)
            next c
                                                                    if debug > 0 then print
        next r


        print 'nekteb el nateg
        'print "!!!!!"
        print chr$(23);"Inverse" , " " ,"","";chr$(2) 'awel satr
        for r = 1 to size
            print chr$(5) ;
                for c = 1 to size

                if int(inv(r,c)) = inv(r,c) then print inv(r,c),

                if int(inv(r,c)) <> inv(r,c) then
                    if int(inv(r,c)*abs(Determinant))^2 = abs(inv(r,c)*Determinant)^2 then
                        print  int(inv(r,c)*abs(Determinant)) ; "/" ; abs(Determinant),
                    else
                        print inv(r,c)*abs(Determinant) ; "/" ; abs(Determinant),
                    end if
                end if
                'print Determinant/abs(Determinant) *inv(r,c)*Determinant ;"/"; abs(Determinant)
                next c
            print chr$(5)
        next r
            print chr$(3);"" , " " ,"","";chr$(4) 'el a5eer
                                                            end 'The
        80 ' e7seb el minor lel 3onsor(CrossX, CrossY) fel matrix orig(n*n) : n = size

        x = 1
        y = 1
        for nRow = 1 to size
            if nRow <> CrossX then
                for nCol = 1 to size
                    if nCol <> CrossY then
                        modi(x,y) = orig(nRow,nCol)
                        if y >= size-1 then
                            x = x+1
                            y = 0
                        end if
                            y = y + 1
                    end if
                next nCol
            end if
        next nRow

        if n = 0 then goto 10
        if n = 1 then goto 94
        if n = 2 then goto 40


        'print Det(orig, 3, 1)


        Function Det(orig, DetSize, InsideJob)
            if InsideJob then
                DIM basicsucks(DetSize,DetSize)
                    for r = 1 to DetSize
                        for c = 1 to DetSize
                            basicsucks(r,c) = modi(r,c)
                        next c
                    next r
            else
                DIM basicsucks(DetSize,DetSize)
                    for r = 1 to DetSize
                        for c = 1 to DetSize
                            basicsucks(r,c) = orig(r,c)
                        next c
                    next r
            end if

            if DetSize = 1 then Det = orig(1,1)
            if DetSize = 2 then
                Det = basicsucks(1,1) * basicsucks(2,2) - basicsucks(2,1) * basicsucks(1,2)

                                                                    if debug > 1 then
                                                                        print "[";orig(1,1);"*";orig(2,2);"-";
                                                                        print  orig(2,1);"*" ;orig(1,2);"]"
                                                                    end if
            end if
            if DetSize > 2 then

                'for row = 1 to DetSize
                row = 1
                for col = 1 to DetSize
                    CrossX = row
                    CrossY = col
                    pass = 1
                    goto 96
                        94 'code
                        'for r = 1 to DetSize-1
                        'for c = 1 to DetSize -1


                        'print modi(r,c),


                        'next c
                        'print
                        'next r
                        'print
                                                                    if debug > 1 then
                                                                        print "Det= ";Det ," + (-1)^";(row+col);" * ";
                                                                        print orig(row,col);"*";Det(modi,DetSize-1,1);
                                                                    end if
                    Det = Det + (-1)^(row+col) * basicsucks(row,col) * DuoDet(modi, DetSize - 1, 1)
                    if debug > 1 then print "= ",Det
                next col
                    'next row
            end if

                    96
                    if pass = 1 then
                        'DIM modi(DetSize-1,DetSize-1)
                        x = 1
                        y = 1
                        for nRow = 1 to DetSize
                            if nRow <> CrossX then
                                for nCol = 1 to DetSize
                                    if nCol <> CrossY then
                                        modi(x,y) = orig(nRow,nCol)
                                                                    if debug > 1 then print orig(nRow,nCol)
                                        if y >= DetSize-1 then
                                            x = x+1
                                            y = 0
                                        end if
                                        y = y + 1
                                    end if
                                next nCol
                            end if
                        next nRow
                        pass = 0
                        goto 94

                    end if
        end function

        Function DuoDet(modi, DetSize, hmmm)
                 DuoDet = modi(1,1) * modi(2,2) - modi(2,1) * modi(1,2)
        End function


        function GCD(u, v)
          if v then
            GCD = GCD(v, u mod v)
          else
            GCD = abs(u)
            end if
        end function