| Subject | English | Catalan |
| load.equip. | fixed assembly | muntura fixa |
| math. | fixed base index | índex de base fixa |
| load.equip. | fixed caster | rodeta fixa |
| load.equip. | fixed castor | rodeta fixa |
| comp., MS | Fixed Dialing Number | Número de marcatge fix (A mode that restricts outgoing calls to a fixed set of numbers) |
| stat. | fixed effects constants model | model d'efectes fixos |
| math. | fixed effects constants model | model d'efectes fixos |
| comp., MS | Fixed PDF | PDF fix (A view mode that previews the PDF content in its native page-by-page form. This mode corresponds to how other commonly known PDF viewers, such as Windows Reader and Reader, preview a PDF) |
| math. | fixed sample | mostra fixa |
| environ. | fixed schedule of charges | càrregues de barem fix |
| load.equip. | fixed upright | muntant fix |
| math. | fixed variable | variable causal |
| math. | fixed variable | variable explicativa |
| math. | fixed variable | variable independent |
| math. | fixed variable | variable fixa |
| math. | fixed variable | variable de predicció |
| math. | fixed variable | predictor |
| math. | fixed variable | regressor |