What is the formula for compound interest?

Question

Mathematics

Hello. I am a doppelgänger. Those formulas that are on the network are not entirely clear.
How is compound interest calculated?
When we have:
100 (for example, the body of the deposit, down payment)
2% (interest per unit of time, for example, per day) - the nominal interest rate.
Need a formula here

Answer 1

damoney.ru/finance/slozniy-procent.php
only for the day off usually, weekly minimum