Usage stats
This page reveals how are used the online library and the Windows PC application. Stats are delivered for some periods of time:
  • since beginning 2020-01-01
  • over the rolling past year, i.e. from 2025-07-30 till now
  • over the rolling past month, i.e. from 2026-06-30 till now
  • over the rolling past week, i.e. from 2026-07-23 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 - Korea, Republic of - Latvia - Lebanon - Lithuania - Mexico - Morocco - 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 - Ecuador - Ethiopia - Finland - France - Germany - Hungary - Iran, Islamic Republic of - Italy - Jordan - New Zealand - Pakistan - Poland - Qatar - Serbia - Singapore - South Africa - Spain - Thailand - Tunisia - Turkey - United Arab Emirates - United Kingdom - United States - Uruguay - Uzbekistan - Vietnam
Countries rolling past week
- Algeria - Ethiopia - Germany - Italy - Poland - Qatar - Serbia - Thailand - Turkey - United Arab Emirates - United States - Uruguay - Uzbekistan

Users (distinct IPs):
  • since beginning 4308
  • rolling past year 1074
  • rolling past month 107
  • rolling past week 20
Most active countries over rolling past year
(in terms of simulations, at least 500 actions):
  • Germany 3735
  • France 2439
  • Czech Republic 2431
  • Serbia 1221
  • United States 1023
  • Italy 852
  • Australia 795
  • Vietnam 672
Most active countries over rolling past month
(in terms of simulations, at least 50 actions):
  • Vietnam 70
  • Germany 65
  • New Zealand 55
  • United States 53
Most active countries over rolling past week
(in terms of simulations, at least 50 actions):

    Most active countries over rolling past year
    (in terms of count of different users, at least 10 users):
    • United States 218
    • Vietnam 143
    • France 110
    • Germany 87
    • Australia 54
    • Italy 50
    • Serbia 45
    • Netherlands 32
    • United Kingdom 31
    • Czech Republic 20
    • Austria 16
    • China 14
    • Poland 14
    • Hungary 13
    • Spain 13
    • Taiwan 12
    • Canada 11
    • Singapore 11
    • Brazil 10
    • Denmark 10
    • Romania 10

    Circuit simulations over rolling past year performed from:
    • Web 9792
    • PC 8263
    The 10 most successful circuits over rolling past year:
    • schema4 5134
    • schema1 3373
    • schema8 1535
    • schema2 1207
    • schema5 926
    • schema7 662
    • schema12 650
    • schema29 353
    • schema6 349
    • schema3 330
    The 10 most successful circuits ever (since 1/2020):
    • schema4 23281
    • schema1 21049
    • schema8 9411
    • schema5 6484
    • schema6 6357
    • schema2 5978
    • schema3 4242
    • schema7 2552
    • schema15 2038
    • schema9 1493

    Counts of tube curves display:
    • since beginning 4664
    • rolling past year 421
    • rolling past month 2
    • rolling past week

    "DCTriode" PC app downloads (includes search engines hits) (this log was not filled from 11/2023 till 4/2025!):
    • since beginning 1328
    • rolling past year 622
    • rolling past month 70
    • rolling past week 11
    Counts of circuit simulations
    over the rolling past year:
    • circuit #1 - 3373
    • circuit #2 - 1207
    • circuit #3 - 330
    • circuit #4 - 5134
    • circuit #5 - 926
    • circuit #6 - 349
    • circuit #7 - 662
    • circuit #8 - 1535
    • circuit #9 - 110
    • circuit #10 - 235
    • circuit #11 - 211
    • 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 - 107
    • 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:
    • circuit #1 - 13
    • circuit #2 - 23
    • circuit #3 - 4
    • circuit #4 - 188
    • circuit #6 - 2
    • circuit #7 - 13
    • circuit #8 - 69
    • circuit #10 - 1
    • circuit #11 - 11
    • circuit #36 - 1
    Counts of circuit simulations
    over the rolling past week:
    • circuit #1 - 2
    • circuit #2 - 2
    • circuit #3 - 3
    • circuit #4 - 30
    • circuit #6 - 1
    • circuit #8 - 4