Trigonometric sums and summation formulas have long served as essential tools for elucidating periodic phenomena across mathematics and the physical sciences. These techniques entail the explicit ...

The Mathematical Gazette is the original journal of the Mathematical Association and it is now over a century old. Its readership is a mixture of school teachers, college and university lecturers, ...

Journal of the Institute of Actuaries and Assurance Magazine, Vol. 22, No. 1 (OCTOBER 1879), pp. 55-60 (6 pages) This item is openly available as part of an Open ...