Postfix algebraic scientific calculators still in production

[Gene]

The HP-10BII+ hands down. It has hyperbolic trig FWIW and many features the TI BAII Plus does not have, such as shown below. This is a GREAT machine and the keys are much better than the TI BAII Plus.



Functions on the HP 10bII+ not found on the TI BAII Plus --- I think TI should call it the TI BAII Minus.

Entry of a number in scientific notation
Entry of a number with 12 digits
11 extra storage memories
PI
Normal distribution
Inverse Normal distribution
Student’s t distribution
Inverse Student’s t distribution
Best fit regression choice
Exponent regression model
Inverse (1/x) regression model
Weighted average
Gamma function
Markup calculations
Initial CF0 frequency other than one
No CPT (compute) key needed to solve