Using HP 10bII for House Payments

Entering data in HP 10bII:

• [Shift] [C ALL]
• Display 12 P_Yr
• 15 [Shift] [x P / YR]
• Display 180.000
• 5.25 [I / YR]
• 225,000 [PV]

What is the monthly house payments?

• Press [PMT] to solve the problem
• Display -1,808.72 which is the answer (negative is money going out).