Collection details > Specific collections
APF was an american company manufacturing consumer electronics. I will not repeat the history, as it is documented in many WEB sites, but the interesting thing to note is that the name of the company is based on the initials of the founders: Al and Phil Friedman.
They produced many calculators and here is the list of those that I know.
Note: Pictures of calculators that I do not own are from Ebay web site, and simply for illustration, to show what the calculator looks like. They are also not in scale from each other.
Name of calculator | Picture | In My Collection |
| 115 |  | YES |
| 180 |  | NO |
| 1901 |  | |
| 1902 |  | YES |
| 1903 |  | NO |
| 1906 |  | YES |
| 1907 |  | YES |
| 1920 |  | YES |
| 1920A |  | NO |
| 1945A |  | NO |
| 1948A |  | NO |
| 2303 |  | NO |
| 5002 |  | NO |
| 5100A |  | YES |
| 5505 |  | NO |
| 5602 |  | NO |
| 6000 |  | NO |
| 6003 |  | YES |
| M103PD |  | NO |
| M1945 |  | YES |
| M3550 MINI-CALC |  | YES |
| MARK 10 |  | YES |
| MARK 111 |  | NO |
| MARK 14 |  | YES |
| MARK 15 |  | YES |
| MARK 16 MEMORY |  | NO |
| MARK 160 |  | NO |
| MARK 20 |  | NO |
| MARK 200 |  | NO |
| MARK 202 |  | NO |
| MARK 2000 |  | YES |
| MARK 21 |  | YES |
| MARK 210 |  | NO |
| MARK 215 |  | NO |
| MARK 22 |  | NO |
| MARK 2201 or M2201 |  | YES |
| MARK 23 |  | YES |
| MARK 24 |  | YES |
| MARK 25 MEMORY |  | YES |
| MARK 250 |  | YES |
| MARK 2500 |  | YES |
| Other models on page 2 of this collection | ||
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times since January 2019