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 2025-08-29 till now
- over the rolling past month, i.e. from 2026-07-30 till now
- over the rolling past week, i.e. from 2026-08-22 till now
Countries rolling past year
- Albania - Algeria - Angola - Argentina - Australia - Austria - Azerbaijan - Bahamas - Bangladesh - Belgium - Bolivia - Brazil - Bulgaria - Canada - Chile - China - Colombia - Cuba - Czech Republic - Denmark - Ecuador - Estonia - Ethiopia - Europe - Finland - France - Germany - Greece - Hong Kong - Hungary - India - Indonesia - Iran, Islamic Republic of - Ireland - Israel - Italy - Japan - Jordan - Kazakhstan - Korea, Republic of - Latvia - Lebanon - Lithuania - 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 - Argentina - Australia - Austria - Azerbaijan - Bahamas - Bangladesh - Belgium - Bolivia - Brazil - Bulgaria - Canada - Chile - China - Colombia - Cuba - Czech Republic - Denmark - Ecuador - Estonia - Ethiopia - Europe - Finland - France - Germany - Greece - Hong Kong - Hungary - India - Indonesia - Iran, Islamic Republic of - Ireland - Israel - Italy - Japan - Jordan - Kazakhstan - Korea, Republic of - Latvia - Lebanon - Lithuania - 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
- Argentina - Bangladesh - Bolivia - Brazil - China - Colombia - Czech Republic - Denmark - Ethiopia - Finland - France - Germany - Hungary - Iran, Islamic Republic of - Ireland - Italy - Kazakhstan - Mexico - Morocco - Nepal - Netherlands - New Zealand - Pakistan - Poland - Romania - Serbia - South Africa - Spain - Syrian Arab Republic - Turkey - United Kingdom - United States - Uruguay - Vietnam
- Argentina - Bangladesh - Bolivia - Brazil - China - Colombia - Czech Republic - Denmark - Ethiopia - Finland - France - Germany - Hungary - Iran, Islamic Republic of - Ireland - Italy - Kazakhstan - Mexico - Morocco - Nepal - Netherlands - New Zealand - Pakistan - Poland - Romania - Serbia - South Africa - Spain - Syrian Arab Republic - Turkey - United Kingdom - United States - Uruguay - Vietnam
Countries rolling past week
- Argentina - Bangladesh - Bolivia - China - Colombia - Czech Republic - France - Germany - Hungary - Italy - Pakistan - Romania - Serbia - Syrian Arab Republic - United Kingdom - United States - Vietnam
- Argentina - Bangladesh - Bolivia - China - Colombia - Czech Republic - France - Germany - Hungary - Italy - Pakistan - Romania - Serbia - Syrian Arab Republic - United Kingdom - United States - Vietnam
Users (distinct IPs):
- since beginning 4403
- rolling past year 1103
- rolling past month 108
- 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 3440
- Czech Republic 2574
- France 2526
- Serbia 1231
- United States 1113
- Italy 980
- Australia 719
- Vietnam 663
Most active countries over rolling past month
(in terms of simulations, at least 50 actions):
(in terms of simulations, at least 50 actions):
- France 158
- Italy 146
- Czech Republic 143
- Germany 139
- United States 111
- Finland 97
Most active countries over rolling past week
(in terms of simulations, at least 50 actions):
(in terms of simulations, at least 50 actions):
- Germany 61
Most active countries over rolling past year
(in terms of count of different users, at least 10 users):
- United States 226
- Vietnam 144
- France 109
- Germany 88
- Italy 52
- Australia 49
- Serbia 45
- United Kingdom 33
- Netherlands 31
- China 23
- Czech Republic 23
- Spain 16
- Austria 15
- Poland 14
- Brazil 13
- Romania 13
- Hungary 12
- Canada 11
- Denmark 10
- Singapore 10
Circuit simulations over rolling past year performed from:
- Web 9645
- PC 8267
The 10 most successful circuits over rolling past year:
- schema4 4821
- schema1 3314
- schema8 1578
- schema2 1173
- schema5 906
- schema7 776
- schema12 656
- schema29 353
- schema3 349
- schema6 288
The 10 most successful circuits ever (since 1/2020):
- schema4 23452
- schema1 21095
- schema8 9525
- schema5 6484
- schema6 6364
- schema2 5987
- schema3 4264
- schema7 2667
- schema15 2069
- schema9 1546
Counts of tube curves display:
- since beginning 4739
- rolling past year 456
- rolling past month 75
- rolling past week
"DCTriode" PC app downloads (includes search engines hits) (this log was not filled from 11/2023 till 4/2025!):
- since beginning 1403
- rolling past year 659
- rolling past month 75
- rolling past week 29
Counts of circuit simulations
over the rolling past year:
over the rolling past year:
- circuit #1 - 3314
- circuit #2 - 1173
- circuit #3 - 349
- circuit #4 - 4821
- circuit #5 - 906
- circuit #6 - 288
- circuit #7 - 776
- circuit #8 - 1578
- circuit #9 - 162
- circuit #10 - 222
- circuit #11 - 221
- circuit #12 - 656
- circuit #13 - 21
- circuit #15 - 133
- circuit #17 - 1
- circuit #20 - 130
- circuit #22 - 46
- circuit #23 - 16
- circuit #24 - 6
- circuit #26 - 74
- circuit #28 - 1
- circuit #29 - 353
- circuit #30 - 237
- circuit #31 - 182
- circuit #33 - 70
- circuit #34 - 22
- circuit #35 - 19
- circuit #36 - 113
- circuit #37 - 54
- circuit #38 - 53
Counts of circuit simulations
over the rolling past month:
over the rolling past month:
- circuit #1 - 46
- circuit #2 - 9
- circuit #3 - 22
- circuit #4 - 171
- circuit #6 - 7
- circuit #7 - 115
- circuit #8 - 114
- circuit #9 - 53
- circuit #11 - 37
- circuit #12 - 6
- circuit #15 - 31
- circuit #20 - 1
- circuit #24 - 1
- circuit #30 - 130
- circuit #33 - 19
- circuit #34 - 1
Counts of circuit simulations
over the rolling past week:
over the rolling past week:
- circuit #1 - 15
- circuit #3 - 11
- circuit #4 - 82
- circuit #7 - 7
- circuit #8 - 6
- circuit #11 - 28