Along with their calendars -- the Tzolk'in, the Haab and the Long Count -- the Mayans also created their own math system. They used a series of dots and bars to signify numbers. One dot equaled one unit, while one bar equaled five units. A shell symbol signified zero.
Nullarbor is bounded in the west by the Western Australia-South Australian state border, in the south by the coastline adjoining the Great Australian Bight, to the east by the localities of Yalata and Yellabinna and to the north by the Trans-Australian Railway.ullarbor is located within the federal Division of Grey, the state electoral districts of Flinders and Giles, and the unincorporated area of South Australia.
From Wikipedia, the free encyclopedia. Nulla bona is a Latin legal term meaning no goods â a sheriff writes this when he can find no property to seize to pay off a court judgment.he nulla bona is issued by the Master of High court if after the issue of a warrant of execution, the attached property of the debtor is found to be insufficient to suffice for the payment of creditors.