Notes on financial maths, specifically interest (both simple and compound) covering basic increase/decrease, more complex interest sums, different compounding periods and effective annual rates are up on our Paper I page.
A most interesting development, is it not?
(P.S, annuities will follow in a separate note)
May these notes by of great interest to you !
EDIT: Technical difficulties have delayed the upload of the notes on interest. We will keep you updated.
EDIT: The notes on interest are finally up, the technical difficulties having been dealt with.