INTRODUCTION

ΤΟ

QUATERNIONS,

WITH NUMEROUS EXAMPLES.

то

QUATERNIONS,

WITH NUMEROUS EXAMPLES.

BY

P. KELLAND, M.A., F.R.S.,
FORMERLY FELLOW OF QUEENS' COLLEGE, CAMBRIDGE;

AND

P. G. TAIT, M.A., SEC. R.S.E.,

FORMERLY FELLOW OF ST PETER'S COLLEGE, CAMBRIDGE;

PROFESSORS IN THE DEPARTMENT OF MATHEMATICS IN THE
UNIVERSITY OF EDINBURGH.

SECOND EDITION.

London:

MACMILLAN AND CO.

1882

[All Rights reserved.]