| A | B | C | D | E | F | G | H | I
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1 |  |  |  |  |  |  |  |  |
2 |  | Model HP-35 with serial number 1346A32024 was made in USA in 1973.
3 |  | It was manufactured between Monday, 12 November 1973 and Sunday, 18 November 1973.
4 |  | This was number 32024 made in that week.
5 |  |  |  |  |  |  |  |  |
6 |  | Model HP-38G with serial number 3528S12152 was made in Singapore in 1995.
7 |  | It was manufactured between Monday, 10 July 1995 and Sunday, 16 July 1995.
8 |  | This was number 12152 made in that week.
9 |  |  |  |  |  |  |  |  |
10 |  | Model HP-39G with serial number CNC3101591 was made in China in 2003.
11 |  | It was manufactured between Tuesday, 4 March 2003 and Monday, 10 March 2003.
12 |  | Using the latest serial number decoding the factory Kinpo Electronics made this unit. This was number 1591 made in that week.
13 |  |  |  |  |  |  |  |  |
14 |  | Model HP-39gs with serial number CNA74900431 was made in China in 2007.
15 |  | It was manufactured between Tuesday, 4 December 2007 and Monday, 10 December 2007.
16 |  | Using the latest serial number decoding the factory Inventec or Kinpo made this unit. This was number 00431 made in that week.
17 |  |  |  |  |  |  |  |  |
18 |  | Model HP-48G with serial number 3530S05203 was made in Singapore in 1995.
19 |  | It was manufactured between Monday, 24 July 1995 and Sunday, 30 July 1995.
20 |  | This was number 05203 made in that week.
21 |  |  |  |  |  |  |  |  |
22 |  | Model HP-48gII (V2) with serial number CNA90300531 was made in China in 2009.
23 |  | It was manufactured between Wednesday, 14 January 2009 and Tuesday, 20 January 2009.
24 |  | Using the latest serial number decoding the factory Inventec or Kinpo made this unit. This was number 00531 made in that week.
25 |  |  |  |  |  |  |  |  |
26 |  | Model HP-48GX with serial number 3512S07039 was made in Singapore in 1995.
27 |  | It was manufactured between Monday, 20 March 1995 and Sunday, 26 March 1995.
28 |  | This was number 07039 made in that week.
29 |  |  |  |  |  |  |  |  |
30 |  | Model HP-48SX with serial number 3025A01955 was made in USA in 1990.
31 |  | It was manufactured between Monday, 18 June 1990 and Sunday, 24 June 1990.
32 |  | This was number 01955 made in that week.
33 |  |  |  |  |  |  |  |  |
34 |  | Model HP-49g+ with serial number CN40205076 was made in China in 2004.
35 |  | It was manufactured between Monday, 5 January 2004 and Sunday, 11 January 2004.
36 |  | This was number 05076 made in that week.
37 |  |  |  |  |  |  |  |  |
38 |  | Model HP-49g+ with serial number CN40804514 was made in China in 2004.
39 |  | It was manufactured between Monday, 21 May 2012 and Sunday, 27 May 2012.
40 |  | This was number 04514 made in that week.
41 |  |  |  |  |  |  |  |  |
42 |  | Model HP-50g (Black) with serial number CNA22104LS was made in China in 2012.
43 |  | It was manufactured between Monday, 16 February 2004 and Sunday, 22 February 2004.
44 |  | Using the latest serial number decoding the factory Inventec or Kinpo made this unit. This was number 04LS made in that week.
45 |  |  |  |  |  |  |  |  |
46 |  | Model HP-50g (Black) with serial number CNA75002392 was made in China in 2007.
47 |  | It was manufactured between Tuesday, 11 December 2007 and Monday, 17 December 2007.
48 |  | Using the latest serial number decoding the factory Inventec or Kinpo made this unit. This was number 02392 made in that week.
49 |  |  |  |  |  |  |  |  |
50 |  | Model HP-17bII+ (Silver) with serial number 9CJ329 was made in China in 2013.
51 |  | It was manufactured between Monday, 15 July 2013 and Sunday, 21 July 2013.
52 |  | Using the latest serial number decoding the factory Kinpo Electronics made this unit.
53 |  |  |  |  |  |  |  |  |
54 |  | Model HP-19BII with serial number 3541S00132 was made in Singapore in 1995.
55 |  | It was manufactured between Monday, 9 October 1995 and Sunday, 15 October 1995.
56 |  | This was number 00132 made in that week.
57 |  |  |  |  |  |  |  |  |
58 |  | Model HP-28S with serial number 2934A02398 was made in USA in 1989.
59 |  | It was manufactured between Monday, 21 August 1989 and Sunday, 27 August 1989.
60 |  | This was number 02398 made in that week.
61 |  |  |  |  |  |  |  |  |
62 |  | Model HP-30b with serial number 4CY03502502 was made in China in 2010.
63 |  | It was manufactured between Monday, 23 August 2010 and Sunday, 29 August 2010.
64 |  | Using the latest serial number decoding the factory Kinpo Electronics made this unit. This was number 02502 made in that week.
65 |  |  |  |  |  |  |  |  |
66 |  | Model HP-49g+ with serial number CN40205076 was made in China in 2004.
67 |  | It was manufactured between Monday, 5 January 2004 and Sunday, 11 January 2004.
68 |  | This was number 05076 made in that week.
69 |  |  |  |  |  |  |  |  |
70 |  | Model HP-49g+ with serial number CN40804514 was made in China in 2004.
71 |  | It was manufactured between Monday, 16 February 2004 and Sunday, 22 February 2004.
72 |  | This was number 04514 made in that week.
73 |  |  |  |  |  |  |  |  |
74 |  | Model HP-12C with serial number 2633A14556 was made in USA in 1986.
75 |  | It was manufactured between Monday, 11 August 1986 and Sunday, 17 August 1986.
76 |  | This was number 14556 made in that week.
77 |  |  |  |  |  |  |  |  |
78 |  | Model HP-12C with serial number CN22002380 was made in China in 2002.
79 |  | It was manufactured between Monday, 13 May 2002 and Sunday, 19 May 2002.
80 |  | This was number 02380 made in that week.