1) My favorite vintage HP Calculator is:
Other calculator (please specify) 42s
2) If I could purchase my favorite vintage HP Calculator today, I'd pay:
$100
3) Are you still using this HP Calculator?
No
Why or why not?
I use the 35s now. It actually has better complex number support
for my use than the 42s. Also, the 42s is too valuable for day to
day use:-)
4) What are the top 3 features you like about your favorite vintage HP Calculator?
Feature I like the best: complex number support
Feature I like 2nd best: programming paradigm
Feature I like 3rd best: soft-keys
5) What improvements would you like to see on your favorite vintage HP Calculator?
The 42s would be nearly ideal if it adopted the complex number
entry method of the 35s, had expanded memory, a faster processor,
upload/download of programs and data via usb or sd, and a six line
display showing (from the top) Last x, t, z, y, x and a row of soft
key labels
6) My SECOND favorite vintage HP Calculator is:
HP-15C
7) If I could purchase my SECOND favorite vintage HP Calculator today, I'd pay:
$75
8) Are you still using this HP Calculator?
No
Why or why not?
I use the 35s now. It has better complex number support for my use
than the 15C. Also, the 15C is too valuable for day to day use:-)
9) What are the top 3 features you like about your SECOND favorite vintage HP Calculator?
Feature I like the best: complex number support
Feature I like 2nd best: size and shape
Feature I like 3rd best: extraordinarily accurate functions
10) What improvements would you like to see on your SECOND favorite vintage HP Calculator?
adopt 35s entry method for complex numbers, a 2-line display or
wide display to show real and imaginary at the same time, more
internal memory, a faster processor and upload/download of programs
and data via usb or sd, alpha-numeric display of labels and
function names in program lines.
...