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 2025-10-05 till now
- over the rolling past month, i.e. from 2026-09-05 till now
- over the rolling past week, i.e. from 2026-09-28 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 - India - Indonesia - Iran, Islamic Republic of - Ireland - Israel - Italy - Japan - 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 - Belgium - Brazil - Bulgaria - Canada - Chile - China - Colombia - Czech Republic - France - Georgia - Germany - Hungary - India - Indonesia - Iran, Islamic Republic of - Ireland - Israel - Italy - Japan - 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 - Belgium - Czech Republic - France - Germany - Hungary - Italy - New Zealand - Serbia - Slovakia - Slovenia - Switzerland - United Kingdom - United States - Vietnam
- Bangladesh - Belgium - Czech Republic - France - Germany - Hungary - Italy - New Zealand - Serbia - Slovakia - Slovenia - Switzerland - United Kingdom - United States - Vietnam
Users (distinct IPs):
- since beginning 4519
- rolling past year 1109
- rolling past month 113
- rolling past week 30
Most active countries over rolling past year
(in terms of simulations, at least 500 actions):
(in terms of simulations, at least 500 actions):
- Germany 3735
- Czech Republic 2529
- France 2424
- Serbia 1221
- United States 1076
- Italy 941
- 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 372
- Canada 137
- Slovakia 103
- Czech Republic 89
- Italy 87
- United Kingdom 83
- France 71
- Slovenia 62
- Hungary 58
- Serbia 51
Most active countries over rolling past week
(in terms of simulations, at least 50 actions):
(in terms of simulations, at least 50 actions):
- Germany 199
- Czech Republic 89
- United Kingdom 77
- Italy 72
- Slovenia 62
- Slovakia 56
- France 51
Most active countries over rolling past year
(in terms of count of different users, at least 10 users):
- United States 228
- Vietnam 152
- France 100
- Germany 92
- Italy 44
- Serbia 44
- United Kingdom 35
- Australia 29
- Netherlands 29
- Czech Republic 25
- China 24
- Brazil 19
- Hungary 16
- Spain 16
- Austria 14
- Poland 13
- Romania 13
- Slovakia 13
Circuit simulations over rolling past year performed from:
- Web 9432
- PC 8337
The 10 most successful circuits over rolling past year:
- schema4 4503
- schema1 3075
- schema8 1600
- schema2 1164
- schema5 907
- schema7 784
- schema12 659
- schema29 346
- schema15 342
- schema6 252
The 10 most successful circuits ever (since 1/2020):
- schema4 23572
- schema1 21294
- schema8 9622
- schema5 6524
- schema6 6377
- schema2 6126
- schema3 4314
- schema7 2680
- schema15 2287
- schema9 1599
Counts of tube curves display:
- since beginning 4845
- rolling past year 501
- rolling past month 106
- rolling past week 30
"DCTriode" PC app downloads (includes search engines hits) (this log was not filled from 11/2023 till 4/2025!):
- since beginning 1499
- rolling past year 707
- rolling past month 83
- rolling past week 20
Counts of circuit simulations
over the rolling past year:
over the rolling past year:
- circuit #1 - 3094
- circuit #2 - 1164
- circuit #3 - 236
- circuit #4 - 4512
- circuit #5 - 907
- circuit #6 - 299
- circuit #7 - 784
- circuit #8 - 1606
- circuit #9 - 214
- circuit #10 - 233
- circuit #11 - 210
- circuit #12 - 659
- 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 - 240
- circuit #31 - 165
- 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 - 162
- circuit #2 - 112
- circuit #3 - 50
- circuit #4 - 115
- circuit #5 - 40
- circuit #6 - 13
- circuit #7 - 12
- circuit #8 - 87
- circuit #9 - 53
- circuit #10 - 14
- circuit #11 - 11
- circuit #12 - 4
- 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 - 81
- circuit #2 - 88
- circuit #3 - 47
- circuit #4 - 78
- circuit #5 - 36
- circuit #6 - 8
- circuit #7 - 11
- circuit #8 - 19
- circuit #9 - 1
- circuit #10 - 14
- circuit #12 - 3
- circuit #15 - 125
- circuit #30 - 12
- circuit #37 - 20
- circuit #38 - 14