Calculate the due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1 units (Dollar, Euro, Pound, etc.), from date: Apr 27, 696, to date: May 27, 2018, namely for a period of 482,880 days (15,865 Months), with an annual simple flat interest rate of 470% if the commission fee (withdrawal) is 0%.

Principal (initial amount), P = 1


Annual simple interest rate, R = 470%


From date: Apr 27, 696


To date: May 27, 2018


Duration, T = 482,880 days (15,865 Months)


Commission fee (withdrawal), F = 0%


No. of days in a year, N = 365


I = Simple interest:

I = (P × R × T) ÷ N =


(1 × 470% × 482,880) ÷ 365 =


(1 × 470 × 482,880) ÷ (365 × 100) =


226,953,600 ÷ 36,500 ≈


6,217.906849315068 ≈


6,217.91

B = Amount earned:

B = P + I =


1 + 6,217.906849315068 =


6,218.906849315068 ≈


6,218.91

Signs: % percent, ÷ divide, × multiply, = equal, ≈ approximately equal;

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Calculate simple flat rate interest on a principal borrowed, lent

Simple flat rate interest = (Principal × Annual simple flat interest rate × Duration in days) ÷ Number of days in a year

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