1) Hebrew girl name 2) Housemate in real world 
ELKA (ЕЛКА) is a Bulgarian brand of electronic calculator, developed by the Central Institute for Calculation Technologies(bg) and built at the Elektronika factory in Sofia. The name is a contraction of ``ЕЛектронен КАлкулатор, or `electronic calculator`, and the word elka`` has, by extension, become the generic name ...