Διαφορά μεταξύ των αναθεωρήσεων του «Βιρασένα»

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more accurate description of what he did and reference
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(more accurate description of what he did and reference)
{{Unreferenced|date=March 2007}}
'''Virasena''' was an 8th century [[Indian mathematics|mathematician]] in [[India]] who gave the derivation of the [[volume]] of a [[frustum]] by a sort of infinite procedure. He also dealtworked with [[logarithm]]sthe toconcept [[baseof 2]] (''ardhaccheda''): andthe knewnumber itsof laws,times anda wasnumber alsocould thebe firstdivided by 2; effectively logarithms to dealbase 2. He also worked with logarithms toin [[base 3]] (''trakacheda'') and [[base 4]] (''caturthacheda'').<ref>{{citation| contribution=History of Mathematics in India|title=Students' Britannica India: Select essays|editor-first1=Dale|editor-last1=Hoiberg|editor-first2=Indu|editor-last2=Ramchandani|first=R. C.|last=Gupta|page=329|publisher=Popular Prakashan|date=2000| contribution-url=http://books.google.co.uk/books?id=-xzljvnQ1vAC&pg=PA329&lpg=PA329&dq=Virasena+logarithm&source=bl&ots=BeVpLXxdRS&sig=_h6VUF3QzNxCocVgpilvefyvxlo&hl=en&ei=W0xUTLyPD4n-4AatvaGnBQ&sa=X&oi=book_result&ct=result&resnum=2&ved=0CBgQ6AEwATgK#v=onepage&q=Virasena%20logarithm&f=false}}</ref>
 
==See also==
*[[Indian mathematics]]
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