08:30:51 Create new PHPExcel object
08:30:51 Add some data and formulas
08:30:51 Calculated data
Value of A1 [=B1]: 100
Value of B1 [=A1+1]: 100
Value of A2 [=B2+1]: 100
Value of B2 [=A2]: 99
08:30:51 Write to Excel2007 format
08:30:51 File written to 13calculationCyclicFormulae.xlsx
Call time to write Workbook was 0.0246 seconds
08:30:51 Current memory usage: 4 MB
08:30:51 Peak memory usage: 4 MB
08:30:51 Done writing file
File has been created in G:\myserver\www\inv\PHPExcel-1.8\Examples