| 39 RPN Add-On 1.0 (details) | 39/40 ENG 83 KB / 29 KB |
 The HP 39/40 calculators do not offer a RPN calculation mode, which otherwise is a hallmark of HP calculators. This program implements a scientific RPN calculator providing a four-level RPN stack and the real number functions of the HP 39. | |
| By Manfred Pfeiffer. | 2008-01-12 |