This page reveals how are used the online library and the Windows PC application. Stats are delivered for some periods of time:
Users (distinct IPs):
Most active countries over rolling past year
(in terms of count of different users, at least 10 users):
Circuit simulations over rolling past year performed from:
Counts of tube curves display:
"DCTriode" PC app downloads (includes search engines hits) (this log was not filled from 11/2023 till 4/2025!):
- since beginning 2020-01-01
- over the rolling past year, i.e. from 2025-11-09 till now
- over the rolling past month, i.e. from 2026-10-10 till now
- over the rolling past week, i.e. from 2026-11-02 till now
Countries rolling past year
- Albania - Algeria - Angola - Anonymous Proxy - Argentina - Australia - Austria - Azerbaijan - Bahamas - Bangladesh - Belgium - Bolivia - Bosnia and Herzegovina - Brazil - Bulgaria - Canada - Chile - China - Colombia - Costa Rica - Cuba - Czech Republic - Denmark - Ecuador - Ethiopia - Europe - Finland - France - Georgia - Germany - Greece - Hong Kong - Hungary - India - Indonesia - Iran, Islamic Republic of - Ireland - Israel - Italy - Japan - Jordan - Kazakhstan - Korea, Republic of - Latvia - Lebanon - Lithuania - Macedonia - Malaysia - Mexico - Morocco - Nepal - Netherlands - New Zealand - Norway - Pakistan - Palestinian Territory - Poland - Portugal - Qatar - Romania - Russian Federation - Senegal - Serbia - Singapore - Slovakia - Slovenia - South Africa - Spain - Sweden - Switzerland - Syrian Arab Republic - Taiwan - Thailand - Tunisia - Turkey - Ukraine - United Arab Emirates - United Kingdom - United States - Uruguay - Uzbekistan - Venezuela - Vietnam
- Albania - Algeria - Angola - Anonymous Proxy - Argentina - Australia - Austria - Azerbaijan - Bahamas - Bangladesh - Belgium - Bolivia - Bosnia and Herzegovina - Brazil - Bulgaria - Canada - Chile - China - Colombia - Costa Rica - Cuba - Czech Republic - Denmark - Ecuador - Ethiopia - Europe - Finland - France - Georgia - Germany - Greece - Hong Kong - Hungary - India - Indonesia - Iran, Islamic Republic of - Ireland - Israel - Italy - Japan - Jordan - Kazakhstan - Korea, Republic of - Latvia - Lebanon - Lithuania - Macedonia - Malaysia - Mexico - Morocco - Nepal - Netherlands - New Zealand - Norway - Pakistan - Palestinian Territory - Poland - Portugal - Qatar - Romania - Russian Federation - Senegal - Serbia - Singapore - Slovakia - Slovenia - South Africa - Spain - Sweden - Switzerland - Syrian Arab Republic - Taiwan - Thailand - Tunisia - Turkey - Ukraine - United Arab Emirates - United Kingdom - United States - Uruguay - Uzbekistan - Venezuela - Vietnam
Countries rolling past month
- Australia - Bangladesh - Brazil - Canada - Chile - China - Czech Republic - Finland - France - Germany - Hungary - India - Israel - Italy - Kazakhstan - Lithuania - Malaysia - Netherlands - New Zealand - Serbia - Singapore - Slovakia - Slovenia - Ukraine - United States - Vietnam
- Australia - Bangladesh - Brazil - Canada - Chile - China - Czech Republic - Finland - France - Germany - Hungary - India - Israel - Italy - Kazakhstan - Lithuania - Malaysia - Netherlands - New Zealand - Serbia - Singapore - Slovakia - Slovenia - Ukraine - United States - Vietnam
Countries rolling past week
- China - France - Germany - Hungary - Italy - Netherlands - New Zealand - Serbia - Slovakia - Ukraine - United States
- China - France - Germany - Hungary - Italy - Netherlands - New Zealand - Serbia - Slovakia - Ukraine - United States
Users (distinct IPs):
- since beginning 4604
- rolling past year 1115
- rolling past month 83
- rolling past week 26
Most active countries over rolling past year
(in terms of simulations, at least 500 actions):
(in terms of simulations, at least 500 actions):
- Germany 3673
- Czech Republic 2546
- France 2421
- United States 1023
- Serbia 1020
- Italy 986
- Vietnam 715
Most active countries over rolling past month
(in terms of simulations, at least 50 actions):
(in terms of simulations, at least 50 actions):
- Germany 310
- France 226
- Czech Republic 58
- Italy 58
- United States 56
Most active countries over rolling past week
(in terms of simulations, at least 50 actions):
(in terms of simulations, at least 50 actions):
- Germany 230
- France 202
Most active countries over rolling past year
(in terms of count of different users, at least 10 users):
- United States 218
- Vietnam 155
- Germany 103
- France 98
- Serbia 43
- Italy 41
- United Kingdom 32
- China 27
- Australia 25
- Czech Republic 25
- Netherlands 24
- Brazil 22
- Slovakia 19
- Hungary 16
- Spain 16
- Austria 13
- Romania 12
- Bangladesh 10
- Canada 10
- Singapore 10
Circuit simulations over rolling past year performed from:
- Web 8765
- PC 8385
The 10 most successful circuits over rolling past year:
- schema4 3918
- schema1 3067
- schema8 1486
- schema2 1348
- schema5 897
- schema7 803
- schema12 661
- schema15 463
- schema30 327
- schema6 263
The 10 most successful circuits ever (since 1/2020):
- schema4 23692
- schema1 21396
- schema8 9737
- schema5 6525
- schema6 6476
- schema2 6333
- schema3 4327
- schema7 2718
- schema15 2426
- schema9 1599
Counts of tube curves display:
- since beginning 4901
- rolling past year 526
- rolling past month 43
- rolling past week 16
"DCTriode" PC app downloads (includes search engines hits) (this log was not filled from 11/2023 till 4/2025!):
- since beginning 1559
- rolling past year 701
- rolling past month 46
- rolling past week 13
Counts of circuit simulations
over the rolling past year:
over the rolling past year:
- circuit #1 - 3067
- circuit #2 - 1350
- circuit #3 - 238
- circuit #4 - 3924
- circuit #5 - 897
- circuit #6 - 263
- circuit #7 - 803
- circuit #8 - 1493
- circuit #9 - 214
- circuit #10 - 233
- circuit #11 - 178
- circuit #12 - 661
- circuit #13 - 21
- circuit #14 - 5
- circuit #15 - 463
- circuit #16 - 1
- circuit #17 - 2
- circuit #18 - 1
- circuit #19 - 2
- circuit #20 - 9
- circuit #21 - 1
- circuit #22 - 39
- circuit #23 - 18
- circuit #24 - 7
- circuit #26 - 17
- circuit #27 - 1
- circuit #28 - 3
- circuit #29 - 261
- circuit #30 - 327
- circuit #31 - 44
- circuit #32 - 1
- circuit #33 - 65
- circuit #34 - 19
- circuit #35 - 19
- circuit #36 - 117
- circuit #37 - 100
- circuit #38 - 138
Counts of circuit simulations
over the rolling past month:
over the rolling past month:
- circuit #1 - 31
- circuit #2 - 168
- circuit #3 - 7
- circuit #4 - 82
- circuit #5 - 1
- circuit #6 - 99
- circuit #7 - 35
- circuit #8 - 97
- circuit #11 - 5
- circuit #14 - 4
- circuit #15 - 139
- circuit #26 - 3
- circuit #30 - 98
- circuit #38 - 10
Counts of circuit simulations
over the rolling past week:
over the rolling past week:
- circuit #1 - 2
- circuit #2 - 119
- circuit #3 - 1
- circuit #4 - 29
- circuit #5 - 1
- circuit #6 - 99
- circuit #7 - 1
- circuit #8 - 13
- circuit #15 - 120
- circuit #26 - 3
- circuit #30 - 98
- circuit #38 - 10