KAlgebra/Credit payment: Difference between revisions
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Function , which calculate the monthly interest rate by given yearly interest rate. | 1.Write this Function , which calculate the monthly interest rate by given yearly interest rate. | ||
x-yearly given interest rate | x-yearly given interest rate | ||
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[[File:Screenshot-26.png|600px]] | [[File:Screenshot-26.png|600px]] | ||
Function , which calculate the whole sum you have to return to the bank | 2.Write this Function , which calculate the whole sum you have to return to the bank | ||
x- the sum you get from the bank | x- the sum you get from the bank | ||
Revision as of 18:33, 17 December 2010
1.Write this Function , which calculate the monthly interest rate by given yearly interest rate.
x-yearly given interest rate
f:= x-> x/12
2.Write this Function , which calculate the whole sum you have to return to the bank
x- the sum you get from the bank
y- the monthly interest rate (you can use the previous function with parameter the yearly interest rate f(x))
z- how many month you have to pay the credit
c:=(x,y,z)-> x*(1+z*y/100)
