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Was the game changed in some way to fit within the limitations of the chosen electronic format , leading to anomalies in the letter frequency ? Since the roles and responsibilities of libraries for providing public access have not changed simply because the format of material has moved from analog to digital , it is reasonable to assume that the rights to perform these societal tasks have not significantly changed either . " The starts , stops , and pauses between syllables , as well as variation in pitch and timbre , are inherent in the mechanics and can often be expressed through smooth and simple variations in the frequency and relative phase of two driving parameters , " the researchers concluded . In evaluating different assortments in each category , they discovered that relatively small changes in product assortment could boost profits by as much as 25 per cent . In 1765 , Leonhard Euler ( 1707-1783 ) discovered an example in which three masses start in a line and rotate so that they stay in line . In the pre-millennial fervor of late 1999 , Gutenberg and his invention , the printing press , topped nearly every list of pioneers and projects that changed the course of history . A three-row array with 4j + 3 columns requires as many curves as rows , he concluded . He then granted the union 's request for a clarification and changed the written warning ( which is n't a disciplinary action under the contract ) to a reprimand ( which is ) . But the economic foundation for scholarly communication began a profound shift after World War II. Research funding expanded greatly , and with it , the volume of research to be published exploded . Clinton , a New York senator , pledged that she would end the Iraq war if she became president , and said that if she had been president in 2003 , she would n't have invaded . " I discovered the equation of the heart while trying to construct surfaces with complex singularities , " Taubin says . " Although we have derived quite a few results , we leave many open questions , " Licht concluded in his STS research paper . These different threads came together for Sharp when he discovered the journal Scripta Mathematica , which highlighted cultural aspects of mathematics . The author concluded that , in terms of washed hands , the reduction in contamination during drying is more critical when less effective hand washing agents are used . With constant initial separation ( as in time trials ) and a random distribution of competitor speeds , " packs are ultimately formed , but only after a considerable time , " Ackland and Butler discovered . " There are too few vowels and too many rare consonants such as Q , W , and V in the Scrabble Express game , " Robinove concluded . That changed soon afterward .