This will give you the interest rate to use in the formula. 10 100 010. Calculate Interest solve for I.
If you need to know the interest for 31 days then enter 31 for the number of days and dont worry about the dates.
R and t are in the same units of time. P I rt. Divide the number by 100 and then divide this interest rate by 365 the number of days in a year. 10000 000027397 274.