Comment on The Strange Case of the Rogue HP-12c CalculatorparentComments−astroturf1yHere's an HP article on the HP-80, a predecessor to the 12C. They describe an algorithm solving for interest rate: https://www.worldradiohistory.com/Archive-Company-Publicatio...
Comments
Here's an HP article on the HP-80, a predecessor to the 12C. They describe an algorithm solving for interest rate: https://www.worldradiohistory.com/Archive-Company-Publicatio...