EPL var_history

The var_history is used to store variables for the future.

When to use (example): You have a variable named a. You want the value in "a" for the future but you have to change a's value.

The var_history has three functions.

1. copy_var (to save a value to var_history)

Using the function:

Parameters:

    1. value = the value or variable's value to save to the var_history.



2. paste_var (to get 1 value from var_history)

Using the function:

Parameters:

    1. place = the number of the attempt you save your value to the var_history.



3. var_history (to get the full-history)

Using the function: