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 2025-08-05 till now
- over the rolling past month, i.e. from 2026-07-06 till now
- over the rolling past week, i.e. from 2026-07-29 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 - Bangladesh - Brazil - Canada - China - Czech Republic - Denmark - Ecuador - Ethiopia - Finland - France - Germany - Hungary - Iran, Islamic Republic of - Ireland - Italy - Jordan - Kazakhstan - Nepal - Netherlands - New Zealand - Pakistan - Poland - Qatar - Serbia - South Africa - Spain - Thailand - Turkey - United Arab Emirates - United Kingdom - United States - Uruguay - Uzbekistan - Vietnam
- Algeria - Australia - Bahamas - Bangladesh - Brazil - Canada - China - Czech Republic - Denmark - Ecuador - Ethiopia - Finland - France - Germany - Hungary - Iran, Islamic Republic of - Ireland - Italy - Jordan - Kazakhstan - Nepal - Netherlands - New Zealand - Pakistan - Poland - Qatar - Serbia - South Africa - Spain - Thailand - Turkey - United Arab Emirates - United Kingdom - United States - Uruguay - Uzbekistan - Vietnam
Countries rolling past week
- China - Czech Republic - Denmark - Ethiopia - Finland - France - Germany - Hungary - Iran, Islamic Republic of - Ireland - Kazakhstan - Nepal - Netherlands - Poland - Qatar - Serbia - Spain - Turkey - United States
- China - Czech Republic - Denmark - Ethiopia - Finland - France - Germany - Hungary - Iran, Islamic Republic of - Ireland - Kazakhstan - Nepal - Netherlands - Poland - Qatar - Serbia - Spain - Turkey - United States
Users (distinct IPs):
- since beginning 4328
- rolling past year 1084
- rolling past month 107
- rolling past week 27
Most active countries over rolling past year
(in terms of simulations, at least 500 actions):
(in terms of simulations, at least 500 actions):
- Germany 3743
- France 2551
- Czech Republic 2450
- Serbia 1224
- United States 1022
- Italy 852
- Australia 795
- Vietnam 661
Most active countries over rolling past month
(in terms of simulations, at least 50 actions):
(in terms of simulations, at least 50 actions):
- France 116
- Germany 70
- Vietnam 68
- New Zealand 55
- Czech Republic 51
Most active countries over rolling past week
(in terms of simulations, at least 50 actions):
(in terms of simulations, at least 50 actions):
- France 112
Most active countries over rolling past year
(in terms of count of different users, at least 10 users):
- United States 218
- Vietnam 141
- France 112
- Germany 89
- Australia 54
- Italy 50
- Serbia 46
- Netherlands 33
- United Kingdom 31
- Czech Republic 21
- Austria 16
- China 16
- Hungary 14
- Poland 14
- Spain 13
- Canada 11
- Denmark 11
- Singapore 11
- Taiwan 11
- Brazil 10
- Romania 10
Circuit simulations over rolling past year performed from:
- Web 9810
- PC 8380
The 10 most successful circuits over rolling past year:
- schema4 5135
- schema1 3364
- schema8 1533
- schema2 1207
- schema5 908
- schema7 681
- schema12 650
- schema29 353
- schema6 350
- schema3 330
The 10 most successful circuits ever (since 1/2020):
- schema4 23282
- schema1 21053
- schema8 9418
- schema5 6484
- schema6 6358
- schema2 5978
- schema3 4242
- schema7 2571
- schema15 2038
- schema9 1493
Counts of tube curves display:
- since beginning 4670
- rolling past year 423
- rolling past month 8
- rolling past week 6
"DCTriode" PC app downloads (includes search engines hits) (this log was not filled from 11/2023 till 4/2025!):
- since beginning 1343
- rolling past year 630
- rolling past month 62
- rolling past week 18
Counts of circuit simulations
over the rolling past year:
over the rolling past year:
- circuit #1 - 3364
- circuit #2 - 1207
- circuit #3 - 330
- circuit #4 - 5135
- circuit #5 - 926
- circuit #6 - 350
- circuit #7 - 681
- circuit #8 - 1533
- circuit #9 - 110
- circuit #10 - 235
- circuit #11 - 205
- circuit #12 - 650
- circuit #13 - 21
- circuit #15 - 245
- circuit #17 - 1
- circuit #20 - 129
- circuit #22 - 46
- circuit #23 - 16
- circuit #24 - 5
- circuit #26 - 74
- circuit #28 - 1
- circuit #29 - 353
- circuit #30 - 220
- circuit #31 - 182
- circuit #33 - 51
- circuit #34 - 21
- circuit #35 - 19
- circuit #36 - 113
- circuit #37 - 103
- circuit #38 - 60
Counts of circuit simulations
over the rolling past month:
over the rolling past month:
- circuit #1 - 7
- circuit #2 - 23
- circuit #3 - 4
- circuit #4 - 182
- circuit #6 - 3
- circuit #7 - 32
- circuit #8 - 76
- circuit #10 - 1
- circuit #11 - 8
- circuit #30 - 113
- circuit #36 - 1
Counts of circuit simulations
over the rolling past week:
over the rolling past week:
- circuit #1 - 4
- circuit #2 - 1
- circuit #4 - 5
- circuit #6 - 1
- circuit #7 - 19
- circuit #8 - 8
- circuit #11 - 2
- circuit #30 - 113