| Subject | English | Catalan |
| math. | aggregative index | index agregatiu |
| math. | alpha index | índex alfa de Pareto |
| math. | alpha index | índex de Pareto |
| math. | binomial index of dispersion | index binomial de dispersió |
| environ. | biotic index Scale for showing the quality of an environment by indicating the types of organisms present in it (e.g. how clean a river is) | índex biòtic |
| math. | body mass index | índex de massa corporal |
| math. | Bowley index | índex de Marshall-Edgeworth-Bowley |
| math. | Carli's index | índex de Carli |
| math. | chain index | índex en cadena |
| math. | comparative mortality index | índex de mortalitat comparativa |
| math. | composite index number | nombre índex compost |
| math. | consumer price index | índex del cost de la vida |
| math. | consumer price index | índex de preus al consum |
| math. | consumption price index | índex del cost de la vida |
| math. | consumption price index | índex de preus al consum |
| math. | correlation index | índex de correlació |
| math. | cost-of-living index | índex de preus al consum |
| math. | cost-of-living index | índex del cost de la vida |
| math. | crossed weight index number | nombre índex de ponderacions creuades |
| math. | crossed weight index number | nombre índex ponderat creuat |
| math. | cross-weight index number | nombre índex ponderat creuat |
| math. | cross-weight index number | nombre índex de ponderacions creuades |
| math. | delta-index | índex de concentració |
| math. | delta-index | índex delta de Gini |
| math. | delta-index | índex de Gini |
| math. | delta-index of Gini | índex de concentració |
| math. | delta-index of Gini | índex delta de Gini |
| math. | delta-index of Gini | índex de Gini |
| math. | diffusion index | índex de difusió |
| math. | dispersion index | índex de dispersió |
| math. | Divisia-Roy index | índex de Divisia-Roy |
| math. | Divisia's index | índex de Divisia |
| math. | Edgeworth index | índex de Marshall-Edgeworth-Bowley |
| math. | efficiency index | índex d'eficiència |
| environ. | environmental index An index of available environmental articles from 1972 to present; also known as Environmental Abstract Annual | índex ambiental |
| math. | extremal index | índex extremal |
| math. | fixed base index | índex de base fixa |
| math. | futility index | índex de futilitat |
| math. | Gini's index of cograduation | índex de cograduació de Gini |
| math. | Gittins index | índex de Gittins |
| comp., MS | graph index | índex de gràfic (An index structure that stores graph edges and their associated data such as actor, action, and object) |
| math. | ideal index number | índex ideal de Fisher |
| math. | index number | nombre índex |
| math. | index number | índex |
| math. | index of abnormality | índex d'anormalitat |
| math. | index of attraction | índex d'atracció |
| math. | index of concentration | índex delta de Gini |
| math. | index of concentration | índex de Gini |
| math. | index of concentration | índex de concentració |
| math. | index of connection | índex de connexió |
| math. | index of dispersion | índex de dispersió |
| math. | index of dissimilarity | índex de dissimilaritat |
| math. | index of diversity | índex de diversitat |
| math. | index of evolution | índex d'evolució |
| math. | δ-index of Gini | índex de concentració |
| math. | δ-index of Gini | índex delta de Gini |
| math. | δ-index of Gini | índex de Gini |
| math. | index of homophily | índex d'homofília |
| math. | index of oscillation | índex d'oscil·lació |
| math. | index of Pareto | índex de Pareto |
| math. | index of Pareto | índex alfa de Pareto |
| math. | index of response | índex de resposta |
| math. | index of reversion | índex de reversió |
| comp., MS | index partition | partició d'índex (A logical portion of the search index) |
| comp., MS | index replica | rèplica d'índex (A copy of a search index within an index partition) |
| comp., MS | index role | funció d'índex (The role name of a server that services indexing in the farm topology) |
| environ. | indexing of documentation A service which creates a special contents list, containing titles, authors, abstracts, subject headings and other information, to describe a large number of publications and to be used in searchable, machine-readable (or printed) look-up tables | indexació de la documentació |
| math. | indifference-level index number | índex de Konyus |
| math. | Konyus index number | índex de Konyus |
| math. | ladder index | índex d'escala |
| math. | Laspeyres' index | índex de Laspeyres |
| math. | Laspeyres-Konyus index | índex de Laspeyres-Konyus |
| math. | Lincoln index | índex de Lincoln |
| math. | Lowe index | índex de Lowe |
| math. | Marshall-Edgeworth-Bowley index | índex de Marshall-Edgeworth-Bowley |
| math. | Paasche-Konyus index | índex de Paasche-Koniyus |
| math. | Paasche's index | index de Paasche |
| math. | Palgrave's index | índex de Palgrave |
| math. | Pareto index | índex de Pareto |
| math. | Poisson index of dispersion | prova d'homogeneïtat de Poisson |
| math. | Poisson index of dispersion | índex de dispersió de Poisson |
| math. | preference-field index number | índex de Konyus |
| math. | price compensation index | índex de compensació de preus |
| math. | price compensation index | índex compensat de preu |
| math. | price index | índex de preus |
| math. | quantum index | índex quantum |
| math. | rectified index number | número índex rectificat |
| math. | relative index | índex relatiu |
| environ. | saprobic index Indication or measure of the level of organic pollution | índex saprobi |
| comp., MS | schedule performance index The ratio of the earned value (EV), which is sometimes referred to as the budgeted cost of work performed (BCWP), to the planned value (PV), which is sometimes referred to as the budgeted cost of work scheduled (BCWS). SPI is often used to estimate the project completion date. The SPI value is calculated as follows: SPI = EV/PV. If the resulting SPI value is less than 1.0, that indicates that less work was completed on the project than was planned. If the SPI value is 1.0 or greater, that indicates that more work was completed than was planned; SPI | índex de rendiment de planificació (SPI) |
| math. | Shannon-Wiener index | índex de Shannon-Wiener |
| math. | similarity index | índex de similaritat |
| math. | value index | valor índex |
| math. | weighted index number | nombre índex ponderat |
