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 2025-08-16 till now
- over the rolling past month, i.e. from 2026-07-17 till now
- over the rolling past week, i.e. from 2026-08-09 till now
Countries rolling past year
- Albania - Algeria - Angola - Argentina - Australia - Austria - Azerbaijan - Bahamas - Bangladesh - Belgium - 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 - 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 - 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 - Taiwan - Thailand - Tunisia - Turkey - Ukraine - United Arab Emirates - United Kingdom - United States - Uruguay - Uzbekistan - Venezuela - Vietnam
Countries rolling past month
- Algeria - Australia - Bahamas - Brazil - Canada - China - Czech Republic - Denmark - Ethiopia - Finland - France - Germany - Hungary - Iran, Islamic Republic of - Ireland - Italy - Jordan - Kazakhstan - Nepal - Netherlands - New Zealand - Poland - Qatar - Romania - Serbia - South Africa - Spain - Thailand - Turkey - United Arab Emirates - United States - Uruguay - Uzbekistan - Vietnam
- Algeria - Australia - Bahamas - Brazil - Canada - China - Czech Republic - Denmark - Ethiopia - Finland - France - Germany - Hungary - Iran, Islamic Republic of - Ireland - Italy - Jordan - Kazakhstan - Nepal - Netherlands - New Zealand - Poland - Qatar - Romania - Serbia - South Africa - Spain - Thailand - Turkey - United Arab Emirates - United States - Uruguay - Uzbekistan - Vietnam
Countries rolling past week
- Brazil - China - Czech Republic - Finland - France - Germany - Iran, Islamic Republic of - Italy - Netherlands - New Zealand - Romania - Spain - Turkey - United States - Vietnam
- Brazil - China - Czech Republic - Finland - France - Germany - Iran, Islamic Republic of - Italy - Netherlands - New Zealand - Romania - Spain - Turkey - United States - Vietnam
Users (distinct IPs):
- since beginning 4362
- rolling past year 1097
- rolling past month 100
- 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 3658
- France 2570
- Czech Republic 2501
- Serbia 1224
- United States 1082
- Italy 984
- Australia 795
- Vietnam 665
Most active countries over rolling past month
(in terms of simulations, at least 50 actions):
(in terms of simulations, at least 50 actions):
- Italy 154
- France 151
- Germany 120
- United States 87
- Czech Republic 70
- Finland 69
Most active countries over rolling past week
(in terms of simulations, at least 50 actions):
(in terms of simulations, at least 50 actions):
- Italy 124
- Finland 67
- Germany 59
Most active countries over rolling past year
(in terms of count of different users, at least 10 users):
- United States 222
- Vietnam 144
- France 109
- Germany 90
- Australia 54
- Italy 54
- Serbia 46
- Netherlands 33
- United Kingdom 31
- Czech Republic 22
- China 18
- Austria 16
- Spain 15
- Poland 14
- Brazil 13
- Hungary 12
- Canada 11
- Denmark 11
- Romania 11
- Singapore 11
Circuit simulations over rolling past year performed from:
- Web 9836
- PC 8528
The 10 most successful circuits over rolling past year:
- schema4 5156
- schema1 3372
- schema8 1614
- schema2 1198
- schema5 908
- schema7 719
- schema12 655
- schema6 356
- schema29 353
- schema3 337
The 10 most successful circuits ever (since 1/2020):
- schema4 23365
- schema1 21070
- schema8 9517
- schema5 6484
- schema6 6364
- schema2 5986
- schema3 4252
- schema7 2609
- schema15 2069
- schema9 1544
Counts of tube curves display:
- since beginning 4717
- rolling past year 460
- rolling past month 53
- rolling past week 45
"DCTriode" PC app downloads (includes search engines hits) (this log was not filled from 11/2023 till 4/2025!):
- since beginning 1365
- rolling past year 639
- rolling past month 60
- rolling past week 16
Counts of circuit simulations
over the rolling past year:
over the rolling past year:
- circuit #1 - 3372
- circuit #2 - 1198
- circuit #3 - 337
- circuit #4 - 5162
- circuit #5 - 908
- circuit #6 - 356
- circuit #7 - 719
- circuit #8 - 1614
- circuit #9 - 161
- circuit #10 - 235
- circuit #11 - 202
- circuit #12 - 655
- circuit #13 - 21
- circuit #15 - 138
- circuit #17 - 1
- circuit #20 - 129
- 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 - 51
- circuit #34 - 22
- circuit #35 - 19
- circuit #36 - 113
- circuit #37 - 103
- circuit #38 - 56
Counts of circuit simulations
over the rolling past month:
over the rolling past month:
- circuit #1 - 24
- circuit #2 - 16
- circuit #3 - 13
- circuit #4 - 199
- circuit #6 - 8
- circuit #7 - 57
- circuit #8 - 111
- circuit #9 - 51
- circuit #10 - 1
- circuit #11 - 2
- circuit #12 - 5
- circuit #15 - 31
- circuit #24 - 1
- circuit #30 - 130
- circuit #34 - 1
Counts of circuit simulations
over the rolling past week:
over the rolling past week:
- circuit #1 - 5
- circuit #2 - 8
- circuit #3 - 10
- circuit #4 - 30
- circuit #6 - 6
- circuit #7 - 8
- circuit #8 - 99
- circuit #9 - 47
- circuit #12 - 5
- circuit #15 - 12
- circuit #30 - 1