Harriot, Thomas - Mss. 6782

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[Commentary:

A geometric progression beginning from

9.988763 . . .

with multiplier

\frac{1}{. 999718 . . .}

. It appears that Harriot has begun the calculations from the top of the table and worked downwards, and that rounding error has led him to

9.999999999999993

as the fifth entry rather than

10

as he would have
To the right, he has calculated first, second, third, and fourth ]