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 2025-10-26 till now
- over the rolling past month, i.e. from 2026-09-26 till now
- over the rolling past week, i.e. from 2026-10-19 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 - Canada - Chile - China - Costa Rica - Czech Republic - Finland - France - Germany - Hungary - India - Indonesia - Iran, Islamic Republic of - Israel - Italy - Kazakhstan - Malaysia - Mexico - Netherlands - New Zealand - Russian Federation - Serbia - Singapore - Slovakia - Slovenia - Spain - Switzerland - Ukraine - United Kingdom - United States - Vietnam
- Australia - Bangladesh - Belgium - Brazil - Canada - Chile - China - Costa Rica - Czech Republic - Finland - France - Germany - Hungary - India - Indonesia - Iran, Islamic Republic of - Israel - Italy - Kazakhstan - Malaysia - Mexico - Netherlands - New Zealand - Russian Federation - Serbia - Singapore - Slovakia - Slovenia - Spain - Switzerland - Ukraine - United Kingdom - United States - Vietnam
Countries rolling past week
- Australia - China - Czech Republic - France - Germany - Italy - Serbia - Singapore - Slovakia - United States - Vietnam
- Australia - China - Czech Republic - France - Germany - Italy - Serbia - Singapore - Slovakia - United States - Vietnam
Users (distinct IPs):
- since beginning 4574
- rolling past year 1121
- rolling past month 98
- rolling past week 19
Most active countries over rolling past year
(in terms of simulations, at least 500 actions):
(in terms of simulations, at least 500 actions):
- Germany 3816
- Czech Republic 2580
- France 2255
- Serbia 1142
- United States 1016
- Italy 950
- Vietnam 717
Most active countries over rolling past month
(in terms of simulations, at least 50 actions):
(in terms of simulations, at least 50 actions):
- Germany 355
- Czech Republic 147
- Slovenia 121
- Italy 87
- Slovakia 80
- United Kingdom 79
- France 77
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 58
Most active countries over rolling past year
(in terms of count of different users, at least 10 users):
- United States 218
- Vietnam 157
- France 100
- Germany 100
- Italy 44
- Serbia 43
- United Kingdom 32
- Australia 27
- China 26
- Czech Republic 25
- Netherlands 25
- Brazil 23
- Slovakia 17
- Hungary 16
- Spain 16
- Austria 14
- Romania 13
- Bangladesh 10
- Canada 10
- Poland 10
- Singapore 10
Circuit simulations over rolling past year performed from:
- Web 9267
- PC 8090
The 10 most successful circuits over rolling past year:
- schema4 4344
- schema1 3077
- schema8 1586
- schema2 1237
- schema5 896
- schema7 802
- schema12 661
- schema15 330
- schema29 261
- schema6 252
The 10 most successful circuits ever (since 1/2020):
- schema4 23639
- schema1 21385
- schema8 9702
- schema5 6524
- schema6 6377
- schema2 6205
- schema3 4322
- schema7 2717
- schema15 2293
- schema9 1599
Counts of tube curves display:
- since beginning 4875
- rolling past year 514
- rolling past month 70
- rolling past week 7
"DCTriode" PC app downloads (includes search engines hits) (this log was not filled from 11/2023 till 4/2025!):
- since beginning 1539
- rolling past year 712
- rolling past month 63
- rolling past week 7
Counts of circuit simulations
over the rolling past year:
over the rolling past year:
- circuit #1 - 3091
- circuit #2 - 1239
- circuit #3 - 243
- circuit #4 - 4349
- circuit #5 - 896
- circuit #6 - 252
- circuit #7 - 802
- circuit #8 - 1586
- circuit #9 - 214
- circuit #10 - 233
- circuit #11 - 173
- circuit #12 - 661
- circuit #13 - 21
- circuit #14 - 5
- circuit #15 - 330
- 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 - 14
- circuit #27 - 1
- circuit #28 - 3
- circuit #29 - 278
- circuit #30 - 229
- circuit #31 - 47
- circuit #32 - 1
- circuit #33 - 65
- circuit #34 - 22
- circuit #35 - 19
- circuit #36 - 117
- circuit #37 - 100
- circuit #38 - 128
Counts of circuit simulations
over the rolling past month:
over the rolling past month:
- circuit #1 - 172
- circuit #2 - 167
- circuit #3 - 55
- circuit #4 - 145
- circuit #5 - 36
- circuit #6 - 8
- circuit #7 - 48
- circuit #8 - 106
- circuit #9 - 1
- circuit #10 - 14
- circuit #11 - 1
- circuit #12 - 5
- circuit #14 - 4
- circuit #15 - 131
- 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 - 5
- circuit #2 - 38
- circuit #3 - 1
- circuit #4 - 7
- circuit #7 - 34
- circuit #8 - 38
- circuit #15 - 6