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THE VALUE OF PI For many years mnemonics have been employed to memorise useful figures to several decimal places, substituting words of different lengths to represent each succeeding digit of a number. One of the most important mathematical figures is the value of Pi, being the ratio of the circumference to the diameter of a circle (leading to Area=Pi*r² etc). Here are some varying "sentence" mnemonics for the value of pi: a). To 6 decimal places:
" How I wish I could calculate Pi! " b). To 8 decimal places:
" May I have a large container of coffee? " b). To 14 decimal places:
" How I want a drink, alcoholic of course, c). To 20 decimal places:
" Sir, I send a rhyme excelling

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