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 2025-03-20 till now
- over the rolling past month, i.e. from 2026-02-18 till now
- over the rolling past week, i.e. from 2026-03-13 till now
Countries rolling past year
- Albania - Algeria - Angola - Anonymous Proxy - Argentina - Asia/Pacific Region - Australia - Austria - Azerbaijan - Bangladesh - Belgium - Brazil - Bulgaria - Canada - Chile - China - Colombia - Croatia - Czech Republic - Denmark - Estonia - Europe - Finland - France - Germany - Greece - Hong Kong - Hungary - India - Indonesia - Iran, Islamic Republic of - Italy - Japan - Korea, Republic of - Latvia - Lithuania - Mexico - Morocco - Netherlands - New Zealand - Norway - Pakistan - Palestinian Territory - Panama - Poland - Portugal - Romania - Russian Federation - Serbia - Singapore - Slovakia - Slovenia - South Africa - Spain - Sweden - Switzerland - Taiwan - Thailand - Turkey - Ukraine - United Kingdom - United States - Venezuela - Vietnam
- Albania - Algeria - Angola - Anonymous Proxy - Argentina - Asia/Pacific Region - Australia - Austria - Azerbaijan - Bangladesh - Belgium - Brazil - Bulgaria - Canada - Chile - China - Colombia - Croatia - Czech Republic - Denmark - Estonia - Europe - Finland - France - Germany - Greece - Hong Kong - Hungary - India - Indonesia - Iran, Islamic Republic of - Italy - Japan - Korea, Republic of - Latvia - Lithuania - Mexico - Morocco - Netherlands - New Zealand - Norway - Pakistan - Palestinian Territory - Panama - Poland - Portugal - Romania - Russian Federation - Serbia - Singapore - Slovakia - Slovenia - South Africa - Spain - Sweden - Switzerland - Taiwan - Thailand - Turkey - Ukraine - United Kingdom - United States - Venezuela - Vietnam
Countries rolling past month
- Algeria - Azerbaijan - Bulgaria - Canada - China - Czech Republic - Europe - Finland - France - Germany - Greece - Hong Kong - Hungary - Italy - Korea, Republic of - Netherlands - New Zealand - Pakistan - Romania - Serbia - Singapore - South Africa - Switzerland - United Kingdom - United States - Vietnam
- Algeria - Azerbaijan - Bulgaria - Canada - China - Czech Republic - Europe - Finland - France - Germany - Greece - Hong Kong - Hungary - Italy - Korea, Republic of - Netherlands - New Zealand - Pakistan - Romania - Serbia - Singapore - South Africa - Switzerland - United Kingdom - United States - Vietnam
Countries rolling past week
- Azerbaijan - Bulgaria - France - Germany - Greece - Italy - New Zealand - Serbia - Switzerland - United Kingdom - United States - Vietnam
- Azerbaijan - Bulgaria - France - Germany - Greece - Italy - New Zealand - Serbia - Switzerland - United Kingdom - United States - Vietnam
Users (distinct IPs):
- since beginning 3943
- rolling past year 979
- rolling past month 107
- rolling past week 23
Most active countries over rolling past year
(in terms of simulations, at least 500 actions):
(in terms of simulations, at least 500 actions):
- Germany 4183
- Czech Republic 1715
- France 1700
- Serbia 1479
- Italy 1398
- United States 1015
- Vietnam 714
- Australia 690
Most active countries over rolling past month
(in terms of simulations, at least 50 actions):
(in terms of simulations, at least 50 actions):
- Italy 595
- Czech Republic 405
- France 311
- Germany 183
- Serbia 163
- United States 107
- New Zealand 78
- Vietnam 58
- Hong Kong 53
- Hungary 50
Most active countries over rolling past week
(in terms of simulations, at least 50 actions):
(in terms of simulations, at least 50 actions):
- Italy 473
- France 87
- New Zealand 75
Most active countries over rolling past year
(in terms of count of different users, at least 10 users):
- United States 186
- Vietnam 131
- France 101
- Germany 85
- Italy 58
- Serbia 50
- Australia 44
- United Kingdom 28
- Netherlands 24
- Poland 17
- Austria 15
- Czech Republic 15
- Hungary 14
- Brazil 13
- China 13
- Taiwan 12
- Thailand 12
- Canada 11
- Spain 11
- Greece 10
- Singapore 10
Circuit simulations over rolling past year performed from:
- Web 8684
- PC 8455
The 10 most successful circuits over rolling past year:
- schema4 5232
- schema1 2747
- schema8 1757
- schema2 841
- schema15 765
- schema5 749
- schema12 658
- schema7 338
- schema31 331
- schema3 326
The 10 most successful circuits ever (since 1/2020):
- schema4 22301
- schema1 19781
- schema8 9044
- schema6 6283
- schema5 6223
- schema2 5389
- schema3 4186
- schema7 2028
- schema15 2019
- schema9 1390
Counts of tube curves display:
- since beginning 4522
- rolling past year 444
- rolling past month 38
- rolling past week 1
"DCTriode" PC app downloads (includes search engines hits) (this log was not filled from 11/2023 till 4/2025!):
- since beginning 1089
- rolling past year 485
- rolling past month 53
- rolling past week 10
Counts of circuit simulations
over the rolling past year:
over the rolling past year:
- circuit #1 - 2747
- circuit #2 - 841
- circuit #3 - 326
- circuit #4 - 5232
- circuit #5 - 749
- circuit #6 - 288
- circuit #7 - 338
- circuit #8 - 1761
- circuit #9 - 24
- circuit #10 - 269
- circuit #11 - 163
- circuit #12 - 658
- circuit #13 - 18
- circuit #15 - 765
- circuit #20 - 129
- circuit #22 - 50
- circuit #23 - 13
- circuit #24 - 1
- circuit #26 - 61
- circuit #29 - 295
- circuit #30 - 205
- circuit #31 - 442
- circuit #33 - 28
- circuit #34 - 36
- circuit #35 - 19
- circuit #36 - 40
- circuit #37 - 144
- circuit #38 - 53
Counts of circuit simulations
over the rolling past month:
over the rolling past month:
- circuit #1 - 449
- circuit #2 - 118
- circuit #3 - 19
- circuit #4 - 637
- circuit #5 - 124
- circuit #6 - 3
- circuit #7 - 68
- circuit #8 - 144
- circuit #9 - 1
- circuit #10 - 157
- circuit #11 - 38
- circuit #12 - 9
- circuit #13 - 4
- circuit #15 - 28
- circuit #22 - 35
- circuit #23 - 8
- circuit #29 - 64
- circuit #30 - 14
- circuit #31 - 1
- circuit #33 - 19
- circuit #35 - 1
- circuit #36 - 30
- circuit #37 - 18
- circuit #38 - 6
Counts of circuit simulations
over the rolling past week:
over the rolling past week:
- circuit #1 - 76
- circuit #2 - 34
- circuit #3 - 12
- circuit #4 - 213
- circuit #7 - 67
- circuit #8 - 9
- circuit #10 - 141
- circuit #15 - 28
- circuit #22 - 35
- circuit #23 - 1
- circuit #30 - 12
- circuit #33 - 14
- circuit #35 - 1
- circuit #36 - 17
- circuit #37 - 18