| Subject | English | Catalan |
| math. | log-chi-squared distribution | distribució log-khi-quadrat |
| math. | log convex tolerance limits | límits de tolerància log-convexos |
| math. | log F distribution | distribució log F |
| comp., MS | log file | fitxer de registre (A file that stores messages generated by an application, service, or operating system. These messages are used to track the operations performed. Log files are usually plain text (ASCII) files and often have a .log extension) |
| math. | log gamma distribution | distribució log gamma |
| comp., MS | Log Level Manager | Administrador de nivells de registre (A Project Server logging infrastructure that improves efficiency by enabling admins to customize logging levels for project entities) |
| math. | log-linear models | models log-lineals |
| math. | log-log transformation | transformació loglog |
| math. | log-logistic distribution | distribució log-logística |
| comp., MS | log off | tancar la sessió (To terminate a session with a computer accessed through a communications line usually a computer that is both distant and open to many users) |
| comp., MS | log on | iniciar la sessió (To gain access to a specific computer, program, or network by identifying oneself with a username and a password) |
| math. | log-rank test | prova de Mantel-Haenszel |
| math. | log-rank test | prova del log-rang |
| math. | log-zero-Poisson distribution | dsitribució log-zero-Poisson |
| comp., MS | transaction log file | fitxer de registre de transaccions (A file that contains a record of the changes that were made to an Exchange database. All changes to the database are recorded in the transaction log files before they are written into the database files. If a database shuts down unexpectedly, unfinished transactions can be restored by replaying the transaction log files into the database) |