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 2025-10-01 till now
- over the rolling past month, i.e. from 2026-09-01 till now
- over the rolling past week, i.e. from 2026-09-24 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 - 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 - 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 - 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 - 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
- Anonymous Proxy - Argentina - Australia - Bangladesh - Bosnia and Herzegovina - Brazil - Bulgaria - Canada - Chile - China - Colombia - Czech Republic - France - Georgia - Germany - Hungary - India - Indonesia - Iran, Islamic Republic of - Ireland - Israel - Italy - Japan - Latvia - Macedonia - Mexico - Morocco - Netherlands - New Zealand - Poland - Portugal - Romania - Serbia - Singapore - Slovakia - Slovenia - Spain - Switzerland - Taiwan - Ukraine - United Kingdom - United States - Vietnam
- Anonymous Proxy - Argentina - Australia - Bangladesh - Bosnia and Herzegovina - Brazil - Bulgaria - Canada - Chile - China - Colombia - Czech Republic - France - Georgia - Germany - Hungary - India - Indonesia - Iran, Islamic Republic of - Ireland - Israel - Italy - Japan - Latvia - Macedonia - Mexico - Morocco - Netherlands - New Zealand - Poland - Portugal - Romania - Serbia - Singapore - Slovakia - Slovenia - Spain - Switzerland - Taiwan - Ukraine - United Kingdom - United States - Vietnam
Countries rolling past week
- Bangladesh - Bulgaria - China - Czech Republic - France - Germany - Hungary - Indonesia - Netherlands - Serbia - Slovakia - Slovenia - Spain - Switzerland - United States - Vietnam
- Bangladesh - Bulgaria - China - Czech Republic - France - Germany - Hungary - Indonesia - Netherlands - Serbia - Slovakia - Slovenia - Spain - Switzerland - United States - Vietnam
Users (distinct IPs):
- since beginning 4512
- rolling past year 1125
- rolling past month 120
- rolling past week 31
Most active countries over rolling past year
(in terms of simulations, at least 500 actions):
(in terms of simulations, at least 500 actions):
- Germany 3729
- Czech Republic 2539
- France 2479
- Serbia 1253
- United States 1103
- Italy 879
- Vietnam 688
Most active countries over rolling past month
(in terms of simulations, at least 50 actions):
(in terms of simulations, at least 50 actions):
- Germany 434
- Canada 164
- Slovakia 110
- Czech Republic 92
- France 75
- Hungary 67
- Slovenia 62
Most active countries over rolling past week
(in terms of simulations, at least 50 actions):
(in terms of simulations, at least 50 actions):
- Germany 190
- Czech Republic 89
- Slovenia 62
- France 51
Most active countries over rolling past year
(in terms of count of different users, at least 10 users):
- United States 231
- Vietnam 152
- France 104
- Germany 91
- Italy 47
- Serbia 45
- United Kingdom 34
- Australia 30
- Netherlands 30
- China 25
- Czech Republic 25
- Brazil 19
- Hungary 16
- Spain 16
- Austria 14
- Poland 14
- Romania 13
- Slovakia 12
Circuit simulations over rolling past year performed from:
- Web 9639
- PC 8317
The 10 most successful circuits over rolling past year:
- schema4 4586
- schema1 3117
- schema8 1618
- schema2 1207
- schema5 886
- schema7 781
- schema12 659
- schema29 346
- schema15 345
- schema6 292
The 10 most successful circuits ever (since 1/2020):
- schema4 23558
- schema1 21244
- schema8 9622
- schema5 6492
- schema6 6369
- schema2 6123
- schema3 4267
- schema7 2677
- schema15 2286
- schema9 1599
Counts of tube curves display:
- since beginning 4841
- rolling past year 498
- rolling past month 102
- rolling past week 36
"DCTriode" PC app downloads (includes search engines hits) (this log was not filled from 11/2023 till 4/2025!):
- since beginning 1491
- rolling past year 703
- rolling past month 84
- rolling past week 22
Counts of circuit simulations
over the rolling past year:
over the rolling past year:
- circuit #1 - 3138
- circuit #2 - 1236
- circuit #3 - 276
- circuit #4 - 4594
- circuit #5 - 886
- circuit #6 - 292
- circuit #7 - 781
- circuit #8 - 1618
- circuit #9 - 214
- circuit #10 - 233
- circuit #11 - 210
- circuit #12 - 659
- circuit #13 - 21
- circuit #14 - 1
- circuit #15 - 345
- circuit #16 - 1
- circuit #17 - 2
- circuit #18 - 1
- circuit #19 - 2
- circuit #20 - 21
- circuit #21 - 1
- circuit #22 - 46
- circuit #23 - 18
- circuit #24 - 7
- circuit #26 - 74
- circuit #27 - 1
- circuit #28 - 3
- circuit #29 - 346
- circuit #30 - 240
- circuit #31 - 170
- circuit #32 - 1
- circuit #33 - 70
- circuit #34 - 22
- circuit #35 - 19
- circuit #36 - 127
- circuit #37 - 80
- circuit #38 - 115
Counts of circuit simulations
over the rolling past month:
over the rolling past month:
- circuit #1 - 149
- circuit #2 - 136
- circuit #3 - 3
- circuit #4 - 105
- circuit #5 - 8
- circuit #6 - 5
- circuit #7 - 9
- circuit #8 - 93
- circuit #9 - 53
- circuit #10 - 14
- circuit #11 - 20
- circuit #12 - 4
- circuit #14 - 1
- circuit #15 - 217
- circuit #16 - 1
- circuit #17 - 1
- circuit #18 - 1
- circuit #19 - 2
- circuit #21 - 1
- circuit #22 - 2
- circuit #23 - 2
- circuit #24 - 1
- circuit #27 - 1
- circuit #28 - 2
- circuit #29 - 11
- circuit #30 - 14
- circuit #31 - 1
- circuit #32 - 1
- circuit #36 - 14
- circuit #37 - 29
- circuit #38 - 62
Counts of circuit simulations
over the rolling past week:
over the rolling past week:
- circuit #1 - 32
- circuit #2 - 85
- circuit #4 - 65
- circuit #5 - 4
- circuit #7 - 8
- circuit #8 - 26
- circuit #9 - 1
- circuit #10 - 14
- circuit #12 - 3
- circuit #15 - 124
- circuit #30 - 12