Arenarius, or sand reckoner), a small treatise, addressed to Gelo, the eldest son of Hiero, expounding, as applied to reckoning the number of grains of sand that could be contained in a sphere of the size of our "universe," a system of naming large numbers according to "orders" and "periods" which would enable any number to be expressed up to that which we should write with I followed by 80,000 ciphers! [Please select]
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The Useful Ready Reckoner (brown cloth). [Please select]
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He becomes an astoundingly quick and accurate reckoner without other aid than a moment's reflection. [Please select]
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"You're a true friend but you're a wretched reckoner of time." [Please select]
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Colonel, I'm a good reckoner, as I've seen lots of war, and they ain't got more `n fifteen thousand men there on the creek, while if we get all our divisions together we can hit `em with nigh on to sixty thousand.' [Please select]