(λογαριαστής, λογαριαστεύων, λογιστής; logariastḗs, logariasteúōn, logistḗs). From the 11th cent. AD the financial official responsible for the control of public expenditure in several departments of the central and provincial administration of the Byzantine empire. Alexios I (1081-1118) introduced a mégas logariastḗs as the top supervisor of the state expenses who initially acted with the sakellarios and later acted in his place.
ODB 2, 1244f.
R. Guilland, Titres et fonctions de l'Empire byzantin, 1976, XXI (1969).