Grab a piece of paper and write a prediction on it and leave this folded paper out in full view.
Tell to your spectator we need some random numbers to multiply together. You open up prediction paper that you wrote before started. And the number on the paper will match the answer on the calculator.
*Force any number to spectator
*Safety code system to get into settings
*Set your favorite calculator colors
*You can set when to show force number to spectator
iPhone mentalist tool 2017! Force or Predict any numbers