V6.0 build 435 released 27/July/2010:
Fixes TConvert call duration problem.

V6.0 build 433 released 14/Jan/2010:
Fixed file locale problem.

V6.0 build 426 released 8/July/2009:
Miscellaneous minor fixes.
T-Plan improvements
     Append history files

V6.0 build 420 released 30/Jan/2009:
T-Convert for converting data into PhoneCalc and T-Plan files.
Miscellaneous minor fixes.
PhoneCalc new features
     hierarchical scenarios
     shift planner
T-Plan improvements
     TOD factors for short history
provision for quiet-mode installation.

Erlang Information

Erlang calculations, introduction, spreadsheets without add-ins; mathematical details.

Library

Papers on call-centre planning, statistics, and probability.