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Could you tell me what the closest comparable to your model
19BII would be?

Do you use your Hp19Bii in RPN or algebraic mode?

Makes a big difference in what I would recommend to replace with.

If you use in algebraic mode, you could buy the earlier Hp19b, find via ebay fairly cheaply. RPN is a different story.


An HP17BII would be a replacment that I suggest. You can use it in both RPN or algebraic modes.


I don't want to do any advertising here but if you really want one, it is still available on the net. If you email me, I will send you the link.