| Subject | English | Icelandic |
| math. | Anderson's classification statistic | flokkun Anderson's tölfræði |
| math. | classification and regression trees | flokkun og aðhvarfsgreiningu tré |
| math. | classification statistic | flokkun tölfræði |
| comp., MS | Single Payment Classification Code | flokkunarkóði eingreiðslu (A Standard Entry Class ACH code that describes a type of financial transaction) |
| math. | Wald's classification statistic | flokkun Wald's tölfræði |