In response to your question whether there is a very good RPN calculator for ANDROID phones.....
a. The answer is YES, of course.
b. I have been using this one for a long time, and upgraded it in 2019.
c. I like it. But, also of course, you do NOT get the feel of those trapezoidal HP keys, which were just PURE DELICIOUSNESS to use.
You, too, can return to Heaven when you return to RPN on ANDROID.
I do not touch any APPLE Garbage, OF COURSE. Hate Apple, the company, for being CONTROL FREAKS.
This app, at less than USD4.00....is the best app I have ever purchased, for the money.
Buy once and use forever.
It even has a function which helps you cook Chinese noodles.
And, no doubt, it's faster and more powerful than any HP calculator, even my HP67, of the middle 1970s, when our astronauts might have taken HP stuff to the Moon, and back.
Therefore, I suggest that everyone just try it for a week, and you will never go back to AN.
I will never return to AN.
The first calculator, handheld, I used was an old TI.
But, HP was so much better.
Well, most aren't taught or know which way to give way to at all They think first in first served no matter what direction. It's just lack of education of traffic laws and lack of enforcement of traffic laws. Lack of care of anything.
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