.SUM File Extension

Model file created and used by Scilab CAPE-OPEN Unit Operation, an application that enables users to enter unit operation calculations in Scilab; contains a Scilab unit operation model and its metadata.

A unit operation is one part of a chemical process that involves chemical transformation or physical change. The Scilab CAPE-OPEN Unit Operation is used for calculating these steps and entering them in Scilab.

NOTE: In order to run Excel CAPE-OPEN Unit Operation you must have Scilab installed.

File used by Garmin GPS navigation devices; contains a checksum for a corresponding file on the device, such as a map (.IMG) file or a voice (.VPM) file; generated when a diagnostics test is run on the unit.

SUM file can be deleted and the device will still run properly.