Tips for Using Calculette Mauricette for Accurate Working Hour Management?

I'm new to using the Calculette Mauricette and would love some advice on how to maximize its potential for managing working hours. What are some best practices for setting it up and using it daily?

Have you noticed any improvements in productivity or time management since you started using it? Any specific features or tips that I should be aware of to get the best results? Your insights would be greatly appreciated!