Interest
Interest Formula |
| \( A \;=\; P \cdot i \cdot T \) |
| Symbol |
| \( I \) = interest |
| \( T \) = amount of time |
| \( i \) = interest rate |
| \( P \) = principle |
Interest, abbreviated as I, is any amount of money you pay on a line of credit or loan that is in addition to the principal balance.

