【實用工具app】RPN-80|最夯免費app

A bit exact RPN emulator of the HP 80, the first financial calculator introduced in 1973. This application employs the same mathematical computation found in the original calculators.Main Calculator features:• RPN (Reverse Polish Notation) entry mode• Time Value of Money• Least squares linear regression• Bond Price and Yield• Mean and Standard Deviation• Date arithmetics

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免費玩RPN-80 App

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