The principal is the amount of money you borrow or invest. Is the simple annual or nominal interest rate usually expressed as a percentage - t is the interest periodin years. A total amount at the end of the term P principal and I simple interest.
What about when time isnt given in yearsIf time is given in months divide by 12 to get it in yearsIf time is given in weeks divide by 52 to get it in ye.
Interest Principal Rate of interest Time. Interest Principal Rate of interest Time. Beginalign A P1in text5 100 text1 text012 times text2 textRtext6 324 endalign. Financial Mathematics Interest Simple Interest Compound Interest Continuous Interest Accumulation Factor.