The Justiciar was the head of all legal matters and he or the Conquerer's wife represented the King at the Royal Court in his absence from the realm. The chamberlain was a financial officer of the household; his work was rather that of auditor or accountant. The Chancellor headed the Chancery and the chapel. Other household offices were steward, butler, constable, and marshall. The Treasurer was responsible for the collection and distribution of revenue and was the keeper of the royal treasure at the palace at Winchester. He was also an important member of the household and sat in the Exchequer at Westminster, where he received the accounts of the sheriffs. The Exchequer was composed of the justiciar as head, the chancellor, the constable, two chamberlains, the marshall and other experienced councilors. The word "Exchequer" came from the chequered cloth on the table used to calculate in Roman numerals the amount due and the amount paid. The word "calculate" derives from the word "calculi", meaning pebbles. It was a kind of abacus. The Exchequer received yearly from the sheriffs of the counties taxes, fines, treasure trove, goods from wrecks, deodands, and movable property of felons, of persons executed, of fugitives, and of outlaws due to the Crown. The Conqueror presided yearly over feasts involving several thousand guests at Westminster Hall, which was 250 feet by 70 feet with a high ceiling, the largest hall in England. The Conquerer's reign was a time of tentative expedients and simple solutions. He administered by issuing writs with commands or prohibitions. These were read aloud by the sheriffs in the county courts and other locations. Administration was by the personal servants of his royal household, such as the chancellor, chamberlain, constable, marshals, steward, and butler. The language of government changed to Latin. The chancellor was from the clergy and supervised the writers and clerks, who were literate, and appended the great seal before witnesses to documents. He also headed the staff of the royal chapel. The chamberlain was a financial officer who audited and accounted. The constable was responsible for supplies for the knights of the royal household. He also supervised the care of horses, hounds, hawks, and huntsmen, houndsmen, and foresters. The marshals came from less important families than the constable and they preserved order in the king's hall and recorded expenditures of the household officers on tallies. The steward was a great baron whose duties were chiefly ceremonial, such as placing the dishes before the king at banquets.