【正文】 ............................................... 5 NETWORKDAYS ................................................................................................................................ 5 1 NOW...............................................................................................................................…................... 6 1 SECOND............................................................................................................................................... 6 1 TIME..................................................................................................................................................... 6 1 TIMEVALUE ....................................................................................................................................... 6 1 TODAY....................................................................................................................................….... ...... 6 1 WEEKDAY............................................................................................................................................ 6 1 WEEKNUM.......................................................................................................................................... 6 1 WORKDAY........................................................................................................................................... 6 1 YEAR.................................................................................................................................................... 7 YEARFRAC ......................................................................................................................................... 7 (三 )、 外部函數(shù) ............................................................................................................................................. 7 EUROCONVERT ................................................................................................................................... 7 ......................................................................................................................…. ........... 7 (四 )、 工程函數(shù) ............................................................................................................................................ 7 BESSELI................................................................................................................................................. 7 BESSELJ................................................................................................................................….... ........ 8 BESSELK..................................................................................................................……........... .......... 8 BESSELY...........................................................................................................................…….. ........... 8 BIN2DEC............................................................................................................................…....... ........ 8 BIN2HEX..........................................................................................................................…........ ......... 8 BIN2OCT............................................................................................................................................... 8 COMPLEX....................................................................................................................…......... ........... 8 CONVERT..............................................................................................................................… ........... 8 DEC2BIN....................................................................................................................……... .............. 8 1 DEC2HEX...................................................................................................................……...... .......... 8 1 DEC2OCT........................................................................................................................................... 8 1 DELTA................................................................................................................................….. .......... 8 1 ERF.................................................................................................................................…….................. 8 1 ERFC...............................................................................................................................……................. 9 1 GESTEP..........................................................................................................................…….................. 9 1 HEX2BIN........................................................................................................................……................. 9 1 HEX2DEC.......................................................................................................................……................. 9 1 HEX2OCT............................................................................................................................…............. .... 9 IMABS...............................................................................................................................……................ 9 2 IMAGINARY ............................................................................................................................................ 9 2 IMARGUMENT ........................................................................................................................................ 9 2 MCONJUGATE ......................................................................................................................................... 9