| Subject | Catalan | English |
| comp., MS | complement del Silverlight | Silverlight plug-in (A plug-in that users download to run a Silverlight-based application in their browser. This term also refers to the component embedded in a Web page that renders Silverlight content) |
| comp., MS | complement Infraestructura d'escriptori virtual VDI del Lync 2013 | Lync 2013 VDI plug-in (Provides the ability to have softphone-based audio, video, and meetings (peer-to-peer and multiparty) without the problems of latency, jitter, and packet loss) |
| comp., MS | complement Mail Migration | Mail Migration add-on (A tool that allows users to upload email messages, email folders, and contacts from an email account on their PC to the cloud to facilitate access from multiple devices) |
| comp., MS | Complement per a conferències per al Microsoft Outlook | Conferencing Add-in for Microsoft Outlook (A Microsoft Outlook add-in that allows you to schedule a Live Meeting or Lync or Office Communicator conference call from Outlook) |
| math. | funció d'error del complement | error function complement |