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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.
Page updated on 10/01/2015
Name of calculator |
Picture |
In my collection |
|
115 |
|
YES |
|
180 |
|
NO |
|
1901 |
|
NO |
|
1902 |
|
YES |
|
1903 |
|
NO |
|
1906 |
|
YES |
|
1907 |
|
YES |
|
1920 |
|
YES |
|
1920A |
|
NO |
|
1945A |
|
NO |
|
1948A |
|
NO |
|
2303 |
|
NO |
|
5100A |
|
YES |
|
5505 |
|
||
5602 |
|
NO |
|
6000 |
|
NO |
|
6003 |
|
YES |
|
M103PD |
|
NO |
|
M1945 |
|
YES |
|
M3550 MINI- |
|
YES |
|
MARK 10 |
|
YES |
|
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 |
|
NO |
|
MARK 2500 |
|
YES |
|
MARK 26 |
|
YES |
|
MARK 27 |
|
YES |
|
MARK 28 |
|
NO |
|
MARK 29 |
|
YES |
|
MARK 3 |
|
NO |
|
MARK 30 |
|
YES |
|
MARK 3000 |
|
YES |
|
MARK 31 |
|
YES |
|
MARK 32 |
|
NO |
|
MARK 33 |
|
NO |
|
MARK 34 |
|
YES |
|
MARK 4 |
|
YES |
|
MARK 40 |
|
YES |
|
MARK 41 |
|
YES |
|
MARK 42 |
|
NO |
|
MARK 43 |
|
YES |
|
MARK 50 |
|
YES |
|
MARK 5000 SUPER TIMER |
|
YES |
|
MARK 51 |
|
YES |
|
MARK 52 |
|
NO |
|
MARK 55 |
|
NO |
|
MARK 56 |
|
NO |
|
MARK 60 |
|
NO |
|
MARK 61 EXECUTIVE |
|
YES |
|
MARK 61S |
|
NO |
|
MARK 64 |
|
YES |
|
MARK 65 |
|
YES |
|
MARK 65R |
|
NO |
|
MARK 66R |
|
NO |
|
MARK 68R |
|
NO |
|
MARK 70 |
|
YES |
|
MARK 72 |
|
YES |
|
MARK 73 |
|
YES |
|
MARK 74 |
|
YES |
|
MARK 75 |
|
YES |
|
MARK 77 |
|
NO |
|
MARK 82 |
|
YES |
|
MARK 84 |
|
NO |
|
MARK 85 |
|
NO |
|
MARK 86 |
|
YES |
|
MARK 8601 SCIENTIFIC SLIDE RULE |
|
NO |
|
MARK 88 |
|
YES |
|
MARK 90 |
|
NO |
|
MARK I |
|
YES |
|
MARK III |
|
NO |
|
MARK V |
|
YES |
|
MARK VI |
|
YES |
|
MARK VII |
|
NO |
|
MARK VIII |
|
YES |
|
MARK XII |
|
NO |
|
MATHEMAGICIAN |
|
YES |
|
SC28 |
|
NO |
|
SC31A |
|
NO |
|
SD- |
|
NO |