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HP21 scientific RPN calculator
HP21 scientific RPN calculator version history
‹ General Info| Version | 2.2 |
| Updated | 8 years ago |
| Changelog | can apply CHS on calculated result |
| Version | 2.0 |
| Updated | 8 years ago |
| Version | 2.7 |
| Updated | 6 years ago |
| Changelog | 2.7. Y^X complex result bug fixed (Error is shown for COmplex result) 2.6. touch area re-alligned to buttons properly - thank you Eric 2.5. Can enter number by EEX button directly 2.4. To improve usablity - now running in full screen |
