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 2025-08-23 till now
- over the rolling past month, i.e. from 2026-07-24 till now
- over the rolling past week, i.e. from 2026-08-16 till now
Countries rolling past year
- Albania - Algeria - Angola - Argentina - Australia - Austria - Azerbaijan - Bahamas - Bangladesh - Belgium - Bolivia - Brazil - Bulgaria - Canada - Chile - China - Colombia - Cuba - Czech Republic - Denmark - Ecuador - Estonia - Ethiopia - Europe - Finland - France - Germany - Greece - Hong Kong - Hungary - India - Indonesia - Iran, Islamic Republic of - Ireland - Israel - Italy - Japan - Jordan - Kazakhstan - Korea, Republic of - Latvia - Lebanon - Lithuania - 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 - Taiwan - Thailand - Tunisia - Turkey - Ukraine - United Arab Emirates - United Kingdom - United States - Uruguay - Uzbekistan - Venezuela - Vietnam
- Albania - Algeria - Angola - Argentina - Australia - Austria - Azerbaijan - Bahamas - Bangladesh - Belgium - Bolivia - Brazil - Bulgaria - Canada - Chile - China - Colombia - Cuba - Czech Republic - Denmark - Ecuador - Estonia - Ethiopia - Europe - Finland - France - Germany - Greece - Hong Kong - Hungary - India - Indonesia - Iran, Islamic Republic of - Ireland - Israel - Italy - Japan - Jordan - Kazakhstan - Korea, Republic of - Latvia - Lebanon - Lithuania - 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 - Taiwan - Thailand - Tunisia - Turkey - Ukraine - United Arab Emirates - United Kingdom - United States - Uruguay - Uzbekistan - Venezuela - Vietnam
Countries rolling past month
- Algeria - Argentina - Bolivia - Brazil - China - Colombia - Czech Republic - Denmark - Ethiopia - Finland - France - Germany - Hungary - Iran, Islamic Republic of - Ireland - Italy - Kazakhstan - Mexico - Morocco - Nepal - Netherlands - New Zealand - Poland - Qatar - Romania - Serbia - South Africa - Spain - Thailand - Turkey - United Arab Emirates - United Kingdom - United States - Uruguay - Uzbekistan - Vietnam
- Algeria - Argentina - Bolivia - Brazil - China - Colombia - Czech Republic - Denmark - Ethiopia - Finland - France - Germany - Hungary - Iran, Islamic Republic of - Ireland - Italy - Kazakhstan - Mexico - Morocco - Nepal - Netherlands - New Zealand - Poland - Qatar - Romania - Serbia - South Africa - Spain - Thailand - Turkey - United Arab Emirates - United Kingdom - United States - Uruguay - Uzbekistan - Vietnam
Countries rolling past week
- Argentina - Bolivia - Brazil - China - Colombia - Czech Republic - Finland - France - Germany - Hungary - Mexico - Morocco - Netherlands - New Zealand - Poland - Serbia - Spain - United Kingdom - United States - Uruguay - Vietnam
- Argentina - Bolivia - Brazil - China - Colombia - Czech Republic - Finland - France - Germany - Hungary - Mexico - Morocco - Netherlands - New Zealand - Poland - Serbia - Spain - United Kingdom - United States - Uruguay - Vietnam
Users (distinct IPs):
- since beginning 4387
- rolling past year 1102
- rolling past month 106
- rolling past week 37
Most active countries over rolling past year
(in terms of simulations, at least 500 actions):
(in terms of simulations, at least 500 actions):
- Germany 3413
- Czech Republic 2558
- France 2542
- Serbia 1225
- United States 1109
- Italy 966
- Australia 795
- Vietnam 665
- Hungary 502
Most active countries over rolling past month
(in terms of simulations, at least 50 actions):
(in terms of simulations, at least 50 actions):
- France 156
- Italy 152
- Czech Republic 127
- United States 113
- Finland 97
- Germany 80
Most active countries over rolling past week
(in terms of simulations, at least 50 actions):
(in terms of simulations, at least 50 actions):
- Czech Republic 65
Most active countries over rolling past year
(in terms of count of different users, at least 10 users):
- United States 224
- Vietnam 144
- France 110
- Germany 88
- Australia 54
- Italy 52
- Serbia 45
- United Kingdom 32
- Netherlands 31
- Czech Republic 23
- China 19
- Austria 16
- Spain 16
- Brazil 15
- Poland 14
- Hungary 12
- Canada 11
- Romania 11
- Singapore 11
- Denmark 10
Circuit simulations over rolling past year performed from:
- Web 9758
- PC 8300
The 10 most successful circuits over rolling past year:
- schema4 4798
- schema1 3380
- schema8 1572
- schema2 1173
- schema5 906
- schema7 769
- schema12 656
- schema29 353
- schema3 338
- schema6 313
The 10 most successful circuits ever (since 1/2020):
- schema4 23384
- schema1 21086
- schema8 9519
- schema5 6484
- schema6 6364
- schema2 5987
- schema3 4253
- schema7 2660
- schema15 2069
- schema9 1546
Counts of tube curves display:
- since beginning 4739
- rolling past year 467
- rolling past month 75
- rolling past week 22
"DCTriode" PC app downloads (includes search engines hits) (this log was not filled from 11/2023 till 4/2025!):
- since beginning 1381
- rolling past year 644
- rolling past month 63
- rolling past week 19
Counts of circuit simulations
over the rolling past year:
over the rolling past year:
- circuit #1 - 3380
- circuit #2 - 1173
- circuit #3 - 338
- circuit #4 - 4901
- circuit #5 - 906
- circuit #6 - 313
- circuit #7 - 769
- circuit #8 - 1576
- circuit #9 - 162
- circuit #10 - 222
- circuit #11 - 230
- circuit #12 - 656
- circuit #13 - 21
- circuit #15 - 138
- circuit #17 - 1
- circuit #20 - 130
- circuit #22 - 46
- circuit #23 - 16
- circuit #24 - 6
- circuit #26 - 74
- circuit #28 - 1
- circuit #29 - 353
- circuit #30 - 237
- circuit #31 - 182
- circuit #33 - 70
- circuit #34 - 22
- circuit #35 - 19
- circuit #36 - 113
- circuit #37 - 54
- circuit #38 - 53
Counts of circuit simulations
over the rolling past month:
over the rolling past month:
- circuit #1 - 39
- circuit #2 - 11
- circuit #3 - 14
- circuit #4 - 133
- circuit #6 - 7
- circuit #7 - 108
- circuit #8 - 112
- circuit #9 - 53
- circuit #11 - 34
- circuit #12 - 6
- circuit #15 - 31
- circuit #20 - 1
- circuit #24 - 1
- circuit #30 - 130
- circuit #33 - 19
- circuit #34 - 1
Counts of circuit simulations
over the rolling past week:
over the rolling past week:
- circuit #1 - 16
- circuit #2 - 1
- circuit #3 - 1
- circuit #4 - 38
- circuit #6 - 6
- circuit #7 - 59
- circuit #8 - 2
- circuit #9 - 18
- circuit #11 - 32
- circuit #12 - 1
- circuit #20 - 1
- circuit #33 - 19