31.12.2011: New calculator categories added: Robot calculators, Credit card calculators,
Navigation calculators, Dynamo calculators and Biorythm calculators (4007 total devices)

30.12.2011: Forum closed

17.09.2011: 707 calculators added (4007 total devices)

19.05.2011: Thomas Zimmer from Germany has discovered the new calculator class "BCCC", thanks and congratulations!

06.01.2010: Thanks for visiting my site from all over the world:

United States, Germany, Japan, Netherlands, United Kingdom, Sweden, France, Spain, Poland, Canada, Hungary, Belgium, Brazil, Switzerland, Australia, Austria, Denmark, Italy, Russian Federation, Czech Republic, Portugal, Israel, Norway, Finland, Croatia, New Zealand, Mexico, South Africa, Hong Kong, Uruguay, Argentina, India, Philippines, Ukraine, Singapore, China, Estonia, Greece, Taiwan, Korea, Republic of, Ireland, Slovenia, Romania, Malaysia, Chile, Turkey, Thailand, Belarus, Slovakia, Yugoslavia, Lithuania, Luxembourg, Latvia, Indonesia, Bulgaria, Pakistan, Colombia, United Arab Emirates, Puerto Rico, Europe, Saudi Arabia, Peru, Iran, Islamic Republic of, Vietnam, Venezuela, Egypt, Iceland, Dominican Republic, Kazakhstan, Kuwait, Moldova, Republic of, Bahrain, Morocco, Algeria, Malta, Bolivia, Oman, Macedonia, the Former Yugoslav Republic of, Cyprus, Jamaica, Costa Rica, Ecuador, Bahamas, Azerbaijan, Qatar, Liechtenstein, Guatemala, Nigeria, Trinidad and Tobago, El Salvador, Lebanon, Bangladesh, Tunisia, Nepal, Mozambique, Mauritius, Guam, Bosnia and Herzegovina, Yemen, Tanzania, United Republic of, French Polynesia, Kenya, Jordan, Gambia, Cocos (Keeling) Islands, Bermuda, Armenia, Uzbekistan, Swaziland, Syrian Arab Republic, Nicaragua, Macao, Mongolia, Sri Lanka, Grenada, Cuba, Angola, Andorra, Zimbabwe, Zambia, Virgin Islands, U.S., Tuvalu, Suriname, Senegal, Sudan, Paraguay, Palestinian Territory, Occupied, Panama, Niue, Niger, New Caledonia, Maldives, Myanmar, Marshall Islands, Madagascar, Monaco, Saint Kitts and Nevis, Kyrgyzstan, British Indian Ocean Territory, Greenland, Georgia, Faroe Islands, Ethiopia, Cameroon, Cote D'Ivoire, Botswana, Barbados, Aruba, American Samoa, Albania...

(Until today 150 countries)

10.10.2008: 334 calculators added (3336 total devices)

23.09.2008: The Museum of Pocket Calculating Devices is 10 years online, thanks for visiting!

14.05.2007: 673 pictures added

08.08.2006: 203 calculators added (3004 total devices)

18.08.2005: 467 calculators added (2801 total devices)

30.03.2005: Projector calculators and Slide-open calculators category added

29.03.2005: More calculators added (2334 total devices)

28.03.2005: More calculator classes discovered (80 classes)

03.12.2004: More pictures added (2304 total devices)

20.08.2004: More calculator classes discovered (77 classes)

12.06.2004: Classification tree for calculator logic added (55 classes)

05.04.2004: Screensaver update version 4.4 , now with 500 calculators!

09.03.2004: 275 calculators added (2304 total devices)

03.03.2004: Calculator number in calculator list added

27.02.2004: PcTimeLog freeware added

30.09.2003: Links updated

23.09.2003: The Museum is five years old. Thanks for visiting.

04.05.2003: More calculators added (2029 total devices)

20.03.2003: Paper-free calculators category added (1864 total devices)

19.03.2003: New Calculators added (1864 total devices)

05.03.2003: Calculators updated

28.02.2003: Navigation bugs fixed

27.12.2002: Ruler calculators category added

26.12.2002: Piano calculators, Wooden calculators and No calculators category added

24.11.2002: Impressum added

01.11.2002: 283 calculators added (1802 total devices)

07.07.2002: Keychain calculators category added (1519 total devices)

01.07.2002: MBO and PRIVILEG calculators added (1519 total devices)

30.06.2002: More calculators added (1489 total devices)

15.04.2002: Radio calculators, Astro calculators, Recording calculators, Pen calculators and Touch screen calculators category added

14.04.2002: More calculators added (1401 total devices)

17.03.2002: Dual (and more) line calculators added (1348 total devices)

16.03.2002: Euro calculators added (1333 total devices)

01.03.2002: The euro is now the only legal tender currency in the 12 euro-zone member states. Banknote calculators added (1307 total devices)

24.02.2002: Lighter calculators, Translator calculators, Lady calculators and Health calculators category added

23.02.2002: Search function added, Calculator list added

19.12.2001: MBO calculators added (1303 total devices)

19.12.2001: SHARP calculators added (1286 total devices)

18.12.2001: PRIVILEG and TEALTRONIC calculators added (1274 total devices)

18.12.2001: More calculators added (1268 total devices)

18.12.2001: More calculators added (1260 total devices)

17.12.2001: The Euro is coming today in Germany with starter kits. Banknote calculators category added (1234 total devices)

30.11.2001: More calculators added (1230 total devices)

18.11.2001: More calculators added (1212 total devices)

01.11.2001: Forum added (beta)

30.10.2001: Designer and educational calculators added (1188 total devices)

31.10.2001: Kids calculators added (1175 total devices)

03.10.2001: Guestbook added

18.09.2001: ELTEX and SANTRON calculators added (1167 total devices)

18.09.2001: CANON and UNISONIC calculators added (1161 total devices)

18.09.2001: ROCKWELL and OLYMPIA calculators added (1156 total devices)

17.09.2001: BROTHER and ACCURON calculators added (115 total deviices)

17.09.2001: More calculators added (1144 total devices)

16.09.2001: ELITE calculators added (1138 total devices)

15.09.2001: TEXAS INSTRUMENTS calculators added (1133 total devices)

31.08.2001: Designer calculators added (1121 total devices)

29.08.2001: Online calculator added

17.07.2001: Links updated

23.06.2001: Kids calculators added (1082 total devices)

15.06.2001: Educational calculators and Kids calculators category added

06.06.2001: Calculator categories splited

04.06.2001: COMPUCORP and PRIVILEG calculators added (1070 total devices)

03.06.2001: MBO calculators added (1063 total devices)

03.06.2001: TEXAS INSTRUMENTS calculators added (1055 total devices)

03.06.2001: CASIO calculators added (1047 total devices)

02.06.2001: Calculators added (1042 total devices)

27.05.2001: Cell phone calculators with new category added (1017 total devices)

21.04.2001: Calculator screensaver added

20.04.2001: ELEKTRONIKA calculators added (1003 total devices)

20.04.2001: SHARP calculators added (996 total devices)

20.04.2001: Pocket Computers and Calculators added (985 total devices)

19.04.2001: TOSHIBA calculators added (971 total devices)

18.04.2001: Addiators added (963 total devices)

04.04.2001: calculators added (950 total devices)

31.03.2001: Number of devices added

25.03.2001: Thumbnail preview added

20.02.2001: CALCULATOR WATCHES added (942 total devices) :

11.02.2001: ABACUSES added (932 total devices) :

11.02.2001: PRIVILEG calculator added (923 total devices) :

29.12.2000: ELKA calculators added (920 total devices) :

29.12.2000: INTERNATIONALE WARENHAUSGRUPPE calculators added (917 total devices) :

29.12.2000: LITRONIX calculators added (915 total devices) :

29.12.2000: TECHNICO calculators added (910 total devices) :

29.12.2000: WELCO calculators added (908 total devices) :

29.12.2000: CALFAX calculators added (906 total devices) :

29.12.2000: SUPERLECTRON calculators added (904 total devices) :

29.12.2000: ROYAL calculators added (902 total devices) :

29.12.2000: MBO calculators added (900 total devices) :

29.12.2000: SPERRY REMINGTON calculators added (892 total devices) :

29.12.2000: ELITE calculators added (887 total devices) :

29.12.2000: HANIMEX calculators added (884 total devices) :

29.12.2000: ROCKWELL calculators added (881 total devices) :

29.12.2000: OLYMPIA calculators added (879 total devices) :

29.12.2000: CANON calculators added (874 total devices) :

29.12.2000: BOWMAR calculators added (870 total devices) :

29.12.2000: BRAUN calculators added (867 total devices) :

29.12.2000: PRIVILEG calculators added (864 total devices) :

29.12.2000: CASIO calculators added (860 total devices) :

29.12.2000: More calculators added (851 total devices) :

30.10.2000: SANTRON calculators added (800 total devices) :

30.10.2000: QUALITRON calculators added (795 total devices) :

30.10.2000: SEARS calculators added (793 total devices) :

30.10.2000: PANASONIC calculators added (791 total devices) :

30.10.2000: UNISONIC calculators added (789 total devices) :

30.10.2000: LLOYD'S calculators added (787 total devices) :

30.10.2000: EDUCATRON calculators added (782 total devices) :

29.10.2000: SERD calculators added (780 total devices) :

29.10.2000: SANYO calculators added (777 total devices) :

28.10.2000: COMMODORE calculators added (772 total devices) :

28.10.2000: COMPEX calculators added (764 total devices) :

28.10.2000: BROTHER calculators added (761 total devices) :

23.10.2000: ARISTO calculators added (752 total devices) :

23.10.2000: POLISH calculators added (747 total devices) :

22.10.2000: TESLA calculator added (745 total devices) :

22.10.2000: ELEKTRONIKA and ELORG (Made in USSR) calculators added (744 total devices) :

22.10.2000: ACCURON calculators added (739 total devices) :

14.10.2000: EAST GERMAN calculators added (736 total devices) :

13.10.2000: TEXAS INSTRUMENTS calculators added (725 total devices) :

07.10.2000: MBO calculators added (701 total devices) :

02.10.2000: PRIVILEG calculators added (662 total devices) :

01.10.2000: SILVER-REED calculators added (637 total devices) :

19.09.2000: CALCU-PEN calculator added (631 total devices) :

18.09.2000: ADLER calculators added (630 total devices) :

17.09.2000: OMRON calculators added (624 total devices) :

01.09.2000: New design and url: www.calculators.de

18.06.2000: HEWLETT PACKARD calculators added (618 total devices) :

29.05.2000: TEXAS INSTRUMENTS calculators added (614 total devices) :

25.05.2000: OLYMPIA calculators added (589 total devices) :

24.05.2000: INTERTON ELECTRONIC calculators added (582 total devices) :

23.05.2000: SANTRON calculators added (577 total devices) :

22.05.2000: CASIO calculators added (571 total devices) :

21.05.2000: SHARP calculators added (552 total devices) :

16.05.2000: CANON calculators added (540 total devices) :

29.03.2000: EAST GERMAN calculators added (527 total devices) :

27.03.2000: ELEKTRONIKA (Made in USSR) calculators added (516 total devices) :

26.03.2000: ARISTO calculators added (509 total devices) :

25.03.2000: BRAUN calculators added (506 total devices) :

24.03.2000: MBO calculators added (501 total devices) :

16.03.2000: PRIVILEG calculators added (485 total devices) :

29.09.1999: New color for visited links added.

23.09.1999: The "Museum of Pocket Calculating Devices" is one year old. Thank you for the visits and positive feedback... Gerhard

29.08.1999: New calculators added (401 total devices)

31.12.1998: New link design with css added

30.12.1998: Number of devices added (208 total devices)

29.12.1998: 6 themes with 19 devices added

29.11.1998: Short descriptions of calculators P-Z added

26.11.1998: Short descriptions of calculators A-O added

12.11.1998: Short descriptions of abacuses, addiators and slide rules added

01.11.1998: New background and text color. Links added

19.10.1998: Joined Calculator Collecting Ring.

08.10.1998: 12.5 cm Slide Rules added.

26.09.1998: Pictures added. Slide Rule pictures coming soon

23.09.1998: The homepage ist started!