[RobloxStudioProjects] Making a Calculator - (1) LocalScript

local MainFrame = script.Parent
local BtnHolder = MainFrame.BtnHolder
local Input = MainFrame.Input
local Output = MainFrame.Output
local Btns = {
    ["*"] = BtnHolder["*"],
    ["+"] = BtnHolder["+"],
    ["-"] = BtnHolder["-"],
    ["/"] = BtnHolder["/"],
    ["0"] = BtnHolder["0"],
    ["1"] = BtnHolder["1"],
    ["2"] = BtnHolder["2"],
    ["3"] = BtnHolder["3"],
    ["4"] = BtnHolder["4"],
    ["5"] = BtnHolder["5"],
    ["6"] = BtnHolder["6"],
    ["7"] = BtnHolder["7"],
    ["8"] = BtnHolder["8"],
    ["9"] = BtnHolder["9"],
    ["C"] = BtnHolder["C"],
    ["="] = BtnHolder["="]
}
local Side = "Left"
local Operator = ""
local Num1 = ""
local Num2 = ""

MainFrame.Draggable = true
Input.Text = ""
Output.Text = ""
Btns["C"].MouseButton1Click:Connect(function()
    Input.Text = ""
    Output.Text = ""
    Operator = ""
    Num1 = ""
    Num2 = ""
    Side = "Left"
    print("C: Cleared")
end)
Btns["0"].MouseButton1Click:Connect(function()
    if Side == "Left" then
        Input.Text = Input.Text .. "0"
        Num1 = Num1 .. "0"
        print("C: Added '0' to Left")
    elseif Side == "Right" then
        Input.Text = Input.Text .. "0"
        Num2 = Num2 .. "0"
        print("C: Added '0' to Right")
    end
end)
Btns["1"].MouseButton1Click:Connect(function()
    if Side == "Left" then
        Input.Text = Input.Text .. "1"
        Num1 = Num1 .. "1"
        print("C: Added '1' to Left")
    elseif Side == "Right" then
        Input.Text = Input.Text .. "1"
        Num2 = Num2 .. "1"
        print("C: Added '1' to Right")
    end
end)
Btns["2"].MouseButton1Click:Connect(function()
    if Side == "Left" then
        Input.Text = Input.Text .. "2"
        Num1 = Num1 .. "2"
        print("C: Added '2' to Left")
    elseif Side == "Right" then
        Input.Text = Input.Text .. "2"
        Num2 = Num2 .. "2"
        print("C: Added '2' to Right")
    end
end)
Btns["3"].MouseButton1Click:Connect(function()
    if Side == "Left" then
        Input.Text = Input.Text .. "3"
        Num1 = Num1 .. "3"
        print("C: Added '3' to Left")
    elseif Side == "Right" then
        Input.Text = Input.Text .. "3"
        Num2 = Num2 .. "3"
        print("C: Added '3' to Right")
    end
end)
Btns["4"].MouseButton1Click:Connect(function()
    if Side == "Left" then
        Input.Text = Input.Text .. "4"
        Num1 = Num1 .. "4"
        print("C: Added '4' to Left")
    elseif Side == "Right" then
        Input.Text = Input.Text .. "4"
        Num2 = Num2 .. "4"
        print("C: Added '4' to Right")
    end
end)
Btns["5"].MouseButton1Click:Connect(function()
    if Side == "Left" then
        Input.Text = Input.Text .. "5"
        Num1 = Num1 .. "5"
        print("C: Added '5' to Left")
    elseif Side == "Right" then
        Input.Text = Input.Text .. "5"
        Num2 = Num2 .. "5"
        print("C: Added '5' to Right")
    end
end)
Btns["6"].MouseButton1Click:Connect(function()
    if Side == "Left" then
        Input.Text = Input.Text .. "6"
        Num1 = Num1 .. "6"
        print("C: Added '6' to Left")
    elseif Side == "Right" then
        Input.Text = Input.Text .. "6"
        Num2 = Num2 .. "6"
        print("C: Added '6' to Right")
    end
end)
Btns["7"].MouseButton1Click:Connect(function()
    if Side == "Left" then
        Input.Text = Input.Text .. "7"
        Num1 = Num1 .. "7"
        print("C: Added '7' to Left")
    elseif Side == "Right" then
        Input.Text = Input.Text .. "7"
        Num2 = Num2 .. "7"
        print("C: Added '7' to Right")
    end
end)
Btns["8"].MouseButton1Click:Connect(function()
    if Side == "Left" then
        Input.Text = Input.Text .. "8"
        Num1 = Num1 .. "8"
        print("C: Added '8' to Left")
    elseif Side == "Right" then
        Input.Text = Input.Text .. "8"
        Num2 = Num2 .. "8"
        print("C: Added '8' to Right")
    end
end)
Btns["9"].MouseButton1Click:Connect(function()
    if Side == "Left" then
        Input.Text = Input.Text .. "9"
        Num1 = Num1 .. "9"
        print("C: Added '9' to Left")
    elseif Side == "Right" then
        Input.Text = Input.Text .. "9"
        Num2 = Num2 .. "9"
        print("C: Added '9' to Right")
    end
end)
Btns["*"].MouseButton1Click:Connect(function()
    if not string.find(Input.Text, "*") and not string.find(Input.Text, "+") and not string.find(Input.Text, "-") and not string.find(Input.Text, "/") then
        Input.Text = Input.Text .. "*"
        Operator = "*"
        Side = "Right"
        print("C: Added '*' to Operator")
    else
        print("C: You can't do that!")
    end
end)
Btns["+"].MouseButton1Click:Connect(function()
    if not string.find(Input.Text, "*") and not string.find(Input.Text, "+") and not string.find(Input.Text, "-") and not string.find(Input.Text, "/") then
        Input.Text = Input.Text .. "+"
        Operator = "+"
        Side = "Right"
        print("C: Added '+' to Operator")
    else
        print("C: You can't do that!")
    end
end)
Btns["-"].MouseButton1Click:Connect(function()
    if not string.find(Input.Text, "*") and not string.find(Input.Text, "+") and not string.find(Input.Text, "-") and not string.find(Input.Text, "/") then
        Input.Text = Input.Text .. "-"
        Operator = "-"
        Side = "Right"
        print("C: Added '-' to Operator")
    else
        print("C: You can't do that!")
    end
end)
Btns["/"].MouseButton1Click:Connect(function()
    if not string.find(Input.Text, "*") and not string.find(Input.Text, "+") and not string.find(Input.Text, "-") and not string.find(Input.Text, "/") then
        Input.Text = Input.Text .. "/"
        Operator = "/"
        Side = "Right"
        print("C: Added '/' to Operator")
    else
        print("C: You can't do that!")
    end
end)
Btns["="].MouseButton1Click:Connect(function()
    if string.find(Input.Text, "*") or string.find(Input.Text, "+") or string.find(Input.Text, "-") or string.find(Input.Text, "/") then
        if Operator == "*" then
            Output.Text = tostring(tonumber(Num1)*tonumber(Num2))
        elseif Operator == "+" then
            Output.Text = tostring(tonumber(Num1)+tonumber(Num2))
        elseif Operator == "-" then
            Output.Text = tostring(tonumber(Num1)-tonumber(Num2))
        elseif Operator == "/" then
            Output.Text = tostring(tonumber(Num1)/tonumber(Num2))
        end
        Side = "Left"
        Operator = ""
        Num1 = ""
        Num2 = ""
        print("C: Calculated")
    else
        print("C: You can't do that!")
    end
end)