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 2025-10-07 till now
- over the rolling past month, i.e. from 2026-09-07 till now
- over the rolling past week, i.e. from 2026-09-30 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 - Belgium - Brazil - Bulgaria - Canada - Chile - China - Colombia - Czech Republic - France - Georgia - Germany - Hungary - Indonesia - Iran, Islamic Republic of - Ireland - Israel - Italy - Japan - 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 - Belgium - Brazil - Bulgaria - Canada - Chile - China - Colombia - Czech Republic - France - Georgia - Germany - Hungary - Indonesia - Iran, Islamic Republic of - Ireland - Israel - Italy - Japan - 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
- Belgium - Brazil - China - Czech Republic - France - Germany - Hungary - Iran, Islamic Republic of - Italy - Mexico - New Zealand - Serbia - Slovakia - Slovenia - Spain - Switzerland - United Kingdom - United States - Vietnam
- Belgium - Brazil - China - Czech Republic - France - Germany - Hungary - Iran, Islamic Republic of - Italy - Mexico - New Zealand - Serbia - Slovakia - Slovenia - Spain - Switzerland - United Kingdom - United States - Vietnam
Users (distinct IPs):
- since beginning 4527
- rolling past year 1111
- rolling past month 115
- rolling past week 34
Most active countries over rolling past year
(in terms of simulations, at least 500 actions):
(in terms of simulations, at least 500 actions):
- Germany 3660
- Czech Republic 2529
- France 2426
- Serbia 1203
- United States 1076
- Italy 937
- Vietnam 694
Most active countries over rolling past month
(in terms of simulations, at least 50 actions):
(in terms of simulations, at least 50 actions):
- Germany 372
- Canada 137
- Slovakia 119
- Slovenia 102
- Czech Republic 89
- Italy 87
- United Kingdom 85
- France 73
- Serbia 60
Most active countries over rolling past week
(in terms of simulations, at least 50 actions):
(in terms of simulations, at least 50 actions):
- Germany 123
- Slovenia 84
- United Kingdom 79
- Italy 72
Most active countries over rolling past year
(in terms of count of different users, at least 10 users):
- United States 227
- Vietnam 153
- France 101
- Germany 91
- Italy 43
- Serbia 43
- United Kingdom 36
- Netherlands 29
- Australia 27
- China 25
- Czech Republic 25
- Brazil 20
- Hungary 16
- Spain 16
- Slovakia 15
- Austria 14
- Poland 13
- Romania 13
Circuit simulations over rolling past year performed from:
- Web 9410
- PC 8276
The 10 most successful circuits over rolling past year:
- schema4 4495
- schema1 3073
- schema8 1592
- schema2 1169
- schema5 901
- schema7 787
- schema12 661
- schema29 346
- schema15 327
- schema6 252
The 10 most successful circuits ever (since 1/2020):
- schema4 23595
- schema1 21298
- schema8 9640
- schema5 6524
- schema6 6377
- schema2 6131
- schema3 4320
- schema7 2683
- schema15 2287
- schema9 1599
Counts of tube curves display:
- since beginning 4855
- rolling past year 506
- rolling past month 116
- rolling past week 14
"DCTriode" PC app downloads (includes search engines hits) (this log was not filled from 11/2023 till 4/2025!):
- since beginning 1506
- rolling past year 705
- rolling past month 84
- rolling past week 20
Counts of circuit simulations
over the rolling past year:
over the rolling past year:
- circuit #1 - 3073
- circuit #2 - 1169
- circuit #3 - 242
- circuit #4 - 4522
- circuit #5 - 907
- circuit #6 - 252
- circuit #7 - 787
- circuit #8 - 1592
- circuit #9 - 214
- circuit #10 - 233
- circuit #11 - 193
- circuit #12 - 661
- circuit #13 - 21
- circuit #14 - 1
- circuit #15 - 342
- 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 - 232
- circuit #31 - 162
- 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 - 164
- circuit #2 - 117
- circuit #3 - 56
- circuit #4 - 132
- circuit #5 - 40
- circuit #6 - 13
- circuit #7 - 15
- circuit #8 - 92
- circuit #9 - 53
- circuit #10 - 14
- circuit #11 - 12
- circuit #12 - 6
- circuit #14 - 1
- circuit #15 - 218
- 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 - 27
Counts of circuit simulations
over the rolling past week:
over the rolling past week:
- circuit #1 - 55
- circuit #2 - 92
- circuit #3 - 53
- circuit #4 - 90
- circuit #5 - 36
- circuit #6 - 8
- circuit #7 - 6
- circuit #8 - 29
- circuit #9 - 1
- circuit #10 - 3
- circuit #11 - 1
- circuit #12 - 2
- circuit #15 - 21
- circuit #37 - 20
- circuit #38 - 14