Harriot, Thomas - Mss. 6787

14071

[Commentary:

Formulae for the first differences in a table that has been interpolated to

n

times its original length; for full details see Harriot's 'Magisteria .
The fourth differences begin with

p

, the third differences begin with

p^{2}

, the second differences begin with

p^{3}

, the first differences begin with

p^{4}

; these are superscripts, not powers.
The difference columns increase and decrease alternately, as in a table of ]