This historic book may have numerous typos and missing text. Purchasers can
usually download a free scanned copy of the original book (without typos) from
the publisher. Not indexed. Not illustrated. 1882 edition. Excerpt: ...by the
direction of the dash. Thus a=a', i = i', and so on. (54) When the periodic
payments of an annuity are given, and statement of, .. the problem. their value
known, the question arises for determination of the rate of interest that must
he assumed in order to furnish the given value of the annuity. This question is
one of practical importance, and its determination not free from difficulty.