Navigating the calculators

The main calculator window has four tabs along the top, each representing a calculator included with the programme: Erlang B, Extended Erlang B, Erlang C and Call Minutes. Select the required tab representing the calculator you wish to work with.

Westbay Traffic Calculators main window

Clicking on a tab bring the workspace for that calculator into view.

There are five buttons on the right side of the main window:

•	Calculate This button starts a calculation.

•	Stop If a lengthy calculation is in progress, this button can be used to cancel the calculation.

•	Close Pressing this button closed the application.

•	Results This button opens a separate window from which the results for the last week can be viewed and printed.

•	Help Opens this help system.

Below the buttons is an area called Traffic. You can use this to select the traffic units that the calculator will use (Erlangs or C.C.S.).