Library managers are often asked to justify the value of library services which is not always possible.
The calculator asks a simple question "For every $1.00 in taxes you spend on the Denver Public Library, how much do you receive in return? To find that out users need to fill in how many books, magazines, CDs and programs they have attended and the computer program will do the calculations.
If you want to read more about the library calculator take a look at the article from The Denver Post.
You can use the calculator to get an idea how much you are saving by using your public library.