The list of my RPN calculators

  Make       |  Model  | Date bought | S. No      |  Firmware   
-------------|---------|-------------|------------|--------------
HP           |  HP35s  | Dec  2020   | PHA9150B2C | n/a
HP           |  HP35s  | Dec  2020   | PHA9150KFF | n/a
Swiss Micros |  DM42   | Dec  2020   | 06434      | DM42  v3.26
Swiss Micros |  DM15L  | Sept 2021   | 21350      | LF15C v260412
Swiss Micros |  DM41X  | Feb  2022   | 01266      | DM41X v2.3
HP           |  HP11C  | July 2022   | 2219A0310  | n/a   
Swiss Micros |  DM16L  | Aug  2022   | 04710      | DM16  v34
Swiss Micros |  DM32   | July 2023   | 00812      | DM32  v2.11
Swiss Micros |  DM41L  | Aug  2024   | 05121      | DM41  v34
             |         |