Multiplication
50 x .5 = 0, but 50 x 0.5 = 25.. at least in my experience.. so there may be a workaround for others having similar issues
ENG mode work wrong
The ENG mode doesn’t seem to work like my physical HP-41cv calculator. The point of engineering notation is to work mostly with whole numbers. This app seems to convert everything to a decimal when an ENG mode. For example, 123 shows up as “0.123 03” rather than “123.000 00” and 16,000,000 shows up as “0.0160 09” rather than “16.0000 06”. Maybe there’s a setting for this, but I can’t find it so this app isn’t useful to me.
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Not working
Can’t get this app to do anything
Functional issues
Entered 17.3, 0.92 X and got zero. Repeated calculation and sometimes it displays the correct value but if I immediately repeat the calculation, each time thereafter I get a different result and value is decreasing.
Stack problem?
GUI looks good but math functions need to produce the right values
Stack problem?
GUI looks good but math functions need to produce the right values
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Leading Zero
I am seeing the same issue. If you multiply 50 by .5 you get zero. If you multiply 50 by 0.5 you get 25. Seems like a new issue. Otherwise I really like this app. Used a 41C since the 80’s. Can’t use anything but RPN.






