As discussed in tutorial 3, StateSmith allows you to connect your state machine to other code in many different ways. This is just one of them. See also cpp-inheritance-1. One less class/file compared ...

1. SimpleCalculator - Takes input of 2 numbers using a utility function and performs +, -, *, / and displays the results using another function. 2. ScientificCalculator - Takes input of 2 numbers ...