Personal assistant v1.1 WIP

--[[
Made by Kolten Viera aka "Spongy141"
only may user edit "local passw"
if modified, you mist give me credit.
--]]
--Game function
local passw = ("password")
function game()
   print("* Guess a Number Game *")
   math.randomseed( os.time() )
   repeat
      Trial = 1
      Number = math.random(100)
      print("Guess a Number 1-100")
      while true do
         print("Trial " .. Trial .. "?")
         Guess = io.read("*n")
         -- check end
         if Guess == Number then
            print("Correct")
            print("You Won!")
            break
         elseif Trial == 10 then
            print("You Lose!")
            print("The Number is "..Number)
            break
         end
         -- give hint
         if Guess < Number then
            print("Wrong")
            print("Try Larger Number")
         elseif Guess > Number then
            print("Wrong")
            print("Try Smaller Number")
         end
         Trial = Trial + 1
      end
      print("Do you want to Play again (y/n)?")
      more = io.read()
   until more ~= "y"
   main()
end
-- Commands are entered here.
function main()
   while true do
      print("Command: ")
      local cmd = io.read()
      if cmd == "help" then
         print("Commands are: help, calculator, exit, date, game (WIP)")
      end
      if cmd == "calculator" then
         print("OK")
         calculate()
      end
      if cmd == "exit" then
         print("Bye master!")
         print(" ")
         print(" ")
         print(" ")
         print(" ")
         os.exit(0)
      end
      if cmd == "game" then
         game()
      end
      if cmd == "date" then
         print(os.date())
      end
      if cmd == "" then
         print("Not a command")
      end
      if cmd == " " then
         print("Not a command")
      end
      local gift = math.random(1000000000000)
      if cmd == gift then
         print("Holy crap... you are the worlds luckiest person.... well sadly there is no price")
      end
   end
end
-- The calculator
function calculate()
   local x = io.read()
   print("math")
   local var = io.read()
   if var == "+" then
      if n == nil then
         local n = io.read()
         print(x.."+"..n.."="..x+n)
         main()
      end
   end
   if var == "*" then
      if n == nil then
         local n = io.read()
         print(x.."*"..n.."="..x*n)
         main()
      end
   end
   if var == "^" then
      if n == nil then
         local n = io.read()
         print(x.."^"..n.."="..x^n)
         main()
      end
   end
   if var == "-" then
      if n == nil then
         local n = io.read()
         print(x.."-"..n.."="..x-n)
         main()
      end
   end
   if var == "/" then
      if n == nil then
         local n = io.read()
         print(x.."/"..n.."="..x/n)
         main()
      end
   end
   if var == "of" then
      if n == nil then
         local n = io.read()
         print(n.." is "..n/x.." of "..x)
         main()
      end
   end
   if var == "compare" then
      if n == nil then
         local n = io.read()
         if n>x then
            print(x.." is less than "..n)
         elseif n<x then
            print(x.." is greater than "..n)
         end
      end
   end
end
-- Password section
print("Personal Assistant v1.1")
print("===================")
print("Password")
local pass = io.read()
if pass == passw then
   print(" ")
   print(" ")
   print(" ")
   print(" ")
   print(" ")
   print(" ")
   print(" ")
   print(" ")
   print(" ")
   print(" ")
   print(" ")
   print(" ")
   print(" ")
   print(" ")
   print(" ")
   print("For help type help")
   main()
else -- if the password is wrong.
   print("Inncorrect password!")
   print(" ")
   print(" ")
   os.exit()
end