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Excerpt from The Texas Mathematics Teachers' Bulletin, Vol. 8: No. 3 The number zero is a more unique member of our number system than most students think. There is no Roman sym bol for'zero. It arose with the Arabic notation in which a digit takes its value from its position in the number. Thus in 23, the two stands for two tens because it is at the left of the 3. In case they wanted to represent such a number as twenty, they had no symbol to place in the position of the number 3 in the former case and so they invented the sym bol 0 to occupy that position. It was not then considered a number. As such, it probably was established, as were negative numbers, to make subtraction always possible. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

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