XMM-Newton Science Analysis System . phasecalc (dscalc-2.6) [xmmsas_20080701_1801-8.0.0] . ... phasecalc is meant to be used in conjunction with evselect or xmmselect to perform second order filtering. phasecalc is not a general tool, in that it has a very specific knowledge of how to calculate the absoulte time of an event based on the XMM-Newton conventions. ... For a more generic tool to perform arbitrary math on binary tables see tabcalc ( ). XMM-Newton SOC/SSC -- 2008-07-02 ...