HP Calc with feet & inches entry ?

[BartDB]

The 48/49/50 has conversion for either feet or inches, but not for "feet inches" entry.

However, Joe Horn to the rescue, his FIF program converts between Feet-Inches, Fraction and Decimal.

FIF for the 48:
https://www.hpcalc.org/details/2790

FIF49 for the 49/50:
https://www.hpcalc.org/details/4824

As far as I know some other HP calculators can convert between inches and cm, but would require a program to convert feet-inches to decimal.
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