Recommended reading on the topic (section on z/OS platform):
Numeric Precision in SAS Software
http://support.sas.com/documentation/cdl/en/lrcon/62955/HTML/default/viewer.htm#a000695157.htm
Also, recommend the SAS "companion documentation" for your OS - available at the SAS support
http://support.sas.com/ website.
Recommend a post-reply from the OP with a specific data example, ideally shown in a SAS generated log demonstrating the specific problem - suggest using the SAS output format BEST. to represent your variable.
Scott Barry
SBBWorks, Inc.
Suggested Google advanced search argument, this topic / post:
sas numeric precision +"z/os" site:sas.com
Message was edited by: sbb