This application is directed to the hotel technical staff. Some useful for the development of work activities calculators are given. As it could be found in a pool add chlorine from water sample values. Same with the Langelier index is very useful to know the quality of water we are using. Finally, a calculator for machines for air conditioning or heating. With the latter program can calculate the flow needed to use 100% power of the machine.
I hope it is useful for your work.
This program is dedicated to my colleagues in the hospitality sector.
Greetings.