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 2025-10-14 till now
- over the rolling past month, i.e. from 2026-09-14 till now
- over the rolling past week, i.e. from 2026-10-07 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 - Belgium - Brazil - Bulgaria - Canada - Chile - China - Costa Rica - Czech Republic - Finland - France - Georgia - Germany - Hungary - India - Indonesia - Iran, Islamic Republic of - Ireland - Italy - Japan - Kazakhstan - Malaysia - Mexico - Netherlands - New Zealand - Portugal - Russian Federation - Serbia - Singapore - Slovakia - Slovenia - Spain - Switzerland - United Kingdom - United States - Vietnam
- Australia - Bangladesh - Belgium - Brazil - Bulgaria - Canada - Chile - China - Costa Rica - Czech Republic - Finland - France - Georgia - Germany - Hungary - India - Indonesia - Iran, Islamic Republic of - Ireland - Italy - Japan - Kazakhstan - Malaysia - Mexico - Netherlands - New Zealand - Portugal - Russian Federation - Serbia - Singapore - Slovakia - Slovenia - Spain - Switzerland - United Kingdom - United States - Vietnam
Countries rolling past week
- Australia - Bangladesh - Brazil - Canada - China - Costa Rica - Finland - France - Germany - India - Italy - Kazakhstan - Malaysia - Mexico - Netherlands - Russian Federation - Serbia - Singapore - Slovakia - Slovenia - United States - Vietnam
- Australia - Bangladesh - Brazil - Canada - China - Costa Rica - Finland - France - Germany - India - Italy - Kazakhstan - Malaysia - Mexico - Netherlands - Russian Federation - Serbia - Singapore - Slovakia - Slovenia - United States - Vietnam
Users (distinct IPs):
- since beginning 4550
- rolling past year 1119
- rolling past month 106
- rolling past week 33
Most active countries over rolling past year
(in terms of simulations, at least 500 actions):
(in terms of simulations, at least 500 actions):
- Germany 3781
- Czech Republic 2526
- France 2424
- Serbia 1164
- United States 1048
- Italy 938
- Vietnam 698
Most active countries over rolling past month
(in terms of simulations, at least 50 actions):
(in terms of simulations, at least 50 actions):
- Germany 443
- Slovenia 121
- Czech Republic 89
- United Kingdom 85
- Slovakia 79
- Italy 73
- France 61
- Serbia 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 121
- Slovenia 59
Most active countries over rolling past year
(in terms of count of different users, at least 10 users):
- United States 225
- Vietnam 154
- France 101
- Germany 96
- Italy 43
- Serbia 42
- United Kingdom 34
- Australia 26
- China 26
- Netherlands 26
- Czech Republic 24
- Brazil 22
- Hungary 16
- Slovakia 16
- Spain 16
- Austria 14
- Romania 13
- Poland 12
- Bangladesh 10
- Canada 10
Circuit simulations over rolling past year performed from:
- Web 9440
- PC 8210
The 10 most successful circuits over rolling past year:
- schema4 4493
- schema1 3151
- schema8 1559
- schema2 1204
- schema5 897
- schema7 787
- schema12 661
- schema29 325
- schema15 324
- schema6 252
The 10 most successful circuits ever (since 1/2020):
- schema4 23629
- schema1 21380
- schema8 9646
- schema5 6524
- schema6 6377
- schema2 6166
- schema3 4321
- schema7 2683
- schema15 2287
- schema9 1599
Counts of tube curves display:
- since beginning 4868
- rolling past year 515
- rolling past month 70
- rolling past week 23
"DCTriode" PC app downloads (includes search engines hits) (this log was not filled from 11/2023 till 4/2025!):
- since beginning 1526
- rolling past year 719
- rolling past month 76
- rolling past week 23
Counts of circuit simulations
over the rolling past year:
over the rolling past year:
- circuit #1 - 3155
- circuit #2 - 1204
- circuit #3 - 243
- circuit #4 - 4493
- circuit #5 - 897
- circuit #6 - 252
- circuit #7 - 787
- circuit #8 - 1559
- circuit #9 - 214
- circuit #10 - 233
- circuit #11 - 193
- circuit #12 - 661
- circuit #13 - 21
- circuit #14 - 5
- circuit #15 - 324
- circuit #16 - 1
- circuit #17 - 2
- circuit #18 - 1
- circuit #19 - 2
- circuit #20 - 10
- circuit #21 - 1
- circuit #22 - 39
- circuit #23 - 18
- circuit #24 - 7
- circuit #26 - 14
- circuit #27 - 1
- circuit #28 - 3
- circuit #29 - 340
- circuit #30 - 229
- circuit #31 - 126
- circuit #32 - 1
- circuit #33 - 65
- circuit #34 - 22
- circuit #35 - 19
- circuit #36 - 127
- circuit #37 - 100
- circuit #38 - 129
Counts of circuit simulations
over the rolling past month:
over the rolling past month:
- circuit #1 - 178
- circuit #2 - 145
- circuit #3 - 56
- circuit #4 - 144
- circuit #5 - 39
- circuit #6 - 11
- circuit #7 - 14
- circuit #8 - 79
- circuit #9 - 50
- circuit #10 - 14
- circuit #11 - 12
- circuit #12 - 5
- circuit #14 - 4
- circuit #15 - 182
- circuit #29 - 10
- circuit #30 - 12
- circuit #37 - 20
- circuit #38 - 14
Counts of circuit simulations
over the rolling past week:
over the rolling past week:
- circuit #1 - 84
- circuit #2 - 39
- circuit #3 - 7
- circuit #4 - 56
- circuit #8 - 18
- circuit #11 - 1
- circuit #12 - 1
- circuit #14 - 4