RlangC at App Store analyse

App power index: 100 (based on ranks around App Stores today)
Business Productivity
Developer: idesis GmbH
Price: 0 free
Current version: 1.1.1, last update: 7 years ago
First release : 10 May 2013
App size: 3.93 Mb
4.1 ( 5021 ratings )
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Estimation application downloads and cost

> 2.2k
Monthly downloads
~ $ 900
Estimation App Cost


The RlangC app is the fast and easy tool for the experienced Call-Center-Manager. Let it calculate the required number of agents for you by simply entering the desired service level. Or have it calculate the achievable service level for a given number of agents. This app uses the generally recognized Erlang C formula to calculate the service level and the number of required agents.

This app will calculate
• the traffic intensity,
• the agent occupancy,
• the probability of a caller being queued,
• the average waiting time and
• the maximum waiting time

Even without a deeper understanding of the underlying mathematical model and its numerically stable implementation, you will get an app that will present you with the most important information in a matter of seconds - even for larger inputs (up to 40,000 calls per hour and average call duration times of 3,600 seconds).
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Available in countries
Country Price
USA free
Available for devices
iPhone4, iPad2Wifi, iPad23G, iPhone4S, iPadThirdGen, iPadThirdGen4G, iPhone5, iPodTouchFifthGen, iPadFourthGen, iPadFourthGen4G, iPadMini, iPadMini4G,