This just comes down to math: You can calculate the log of any base if you have log of any other base. 4D has the command Log (which is a natural log based on e… 2.718 etc). We can use it to convert logs to any base.
If you want log base 10 do the following: $x:=100 $log:=Log($x)/Log(10) ALERT(String($log)) $log will be 2 as expected If you wanted base 3 log $x:=81 $log:=Log($x)/Log(3) ALERT(String($log)) $log will be 4 as expected Neil > On Jun 29, 2022, at 3:09 PM, stardata.info via 4D_Tech <[email protected]> > wrote: > > Hi All, > > I need to calculate a logarithm on base 10 of one number. > > Someone know tha 4D Command that i can use? > > Thanks > > Ferdinando > > ********************************************************************** > 4D Internet Users Group (4D iNUG) > New Forum: https://discuss.4D.com > Archive: http://lists.4d.com/archives.html > Options: https://lists.4d.com/mailman/options/4d_tech > Unsub: mailto:[email protected] > ********************************************************************** ********************************************************************** 4D Internet Users Group (4D iNUG) New Forum: https://discuss.4D.com Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:[email protected] **********************************************************************

