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 2025-07-15 till now
  • over the rolling past month, i.e. from 2026-06-15 till now
  • over the rolling past week, i.e. from 2026-07-08 till now
Countries rolling past year
- Albania - Algeria - Angola - Argentina - Asia/Pacific Region - Australia - Austria - Azerbaijan - Bangladesh - Belgium - Brazil - Bulgaria - Canada - Chile - China - Colombia - Cuba - Czech Republic - Denmark - Ecuador - Estonia - 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 - Panama - Poland - Portugal - Qatar - Romania - Russian Federation - Senegal - Serbia - Singapore - Slovakia - Slovenia - South Africa - Spain - Sweden - Switzerland - Taiwan - Thailand - Tunisia - Turkey - Ukraine - United Kingdom - United States - Uruguay - Venezuela - Vietnam
Countries rolling past month
- Argentina - Bangladesh - Brazil - Canada - China - Czech Republic - Ecuador - Finland - France - Germany - Hungary - Italy - New Zealand - Pakistan - Poland - Qatar - Serbia - Singapore - Spain - Tunisia - United Kingdom - United States - Uruguay - Vietnam
Countries rolling past week
- Bangladesh - Canada - China - Czech Republic - Ecuador - Finland - France - Germany - Italy - New Zealand - Pakistan - Serbia - United States - Vietnam

Users (distinct IPs):
  • since beginning 4268
  • rolling past year 1058
  • rolling past month 111
  • rolling past week 32
Most active countries over rolling past year
(in terms of simulations, at least 500 actions):
  • Germany 3681
  • France 2495
  • Czech Republic 2417
  • Serbia 1226
  • United States 1017
  • Italy 847
  • Australia 808
  • Vietnam 665
Most active countries over rolling past month
(in terms of simulations, at least 50 actions):
  • France 154
  • United Kingdom 95
  • United States 88
  • New Zealand 82
  • Vietnam 63
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 214
    • Vietnam 139
    • France 114
    • Germany 82
    • Australia 54
    • Italy 48
    • Serbia 46
    • Netherlands 35
    • United Kingdom 30
    • Czech Republic 18
    • Austria 16
    • Hungary 14
    • China 13
    • Poland 13
    • Brazil 12
    • Taiwan 12
    • Denmark 11
    • Singapore 11
    • Spain 11
    • Canada 10
    • Romania 10

    Circuit simulations over rolling past year performed from:
    • Web 9784
    • PC 8279
    The 10 most successful circuits over rolling past year:
    • schema4 5110
    • schema1 3424
    • schema8 1537
    • schema2 1212
    • schema5 943
    • schema12 650
    • schema7 649
    • schema29 353
    • schema6 348
    • schema3 327
    The 10 most successful circuits ever (since 1/2020):
    • schema4 23166
    • schema1 21046
    • schema8 9406
    • schema5 6484
    • schema6 6356
    • schema2 5968
    • schema3 4238
    • schema7 2539
    • schema15 2038
    • schema9 1493

    Counts of tube curves display:
    • since beginning 4664
    • rolling past year 434
    • rolling past month 23
    • rolling past week 2

    "DCTriode" PC app downloads (includes search engines hits) (this log was not filled from 11/2023 till 4/2025!):
    • since beginning 1301
    • rolling past year 604
    • rolling past month 76
    • rolling past week 16
    Counts of circuit simulations
    over the rolling past year:
    • circuit #1 - 3424
    • circuit #2 - 1212
    • circuit #3 - 327
    • circuit #4 - 5110
    • circuit #5 - 943
    • circuit #6 - 348
    • circuit #7 - 649
    • circuit #8 - 1537
    • circuit #9 - 110
    • circuit #10 - 234
    • circuit #11 - 207
    • 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 - 53
    • 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 - 82
    • circuit #2 - 62
    • circuit #4 - 186
    • circuit #5 - 32
    • circuit #6 - 45
    • circuit #7 - 4
    • circuit #8 - 70
    • circuit #9 - 5
    • circuit #11 - 7
    • circuit #36 - 1
    Counts of circuit simulations
    over the rolling past week:
    • circuit #2 - 12
    • circuit #4 - 66
    • circuit #6 - 1
    • circuit #8 - 44
    • circuit #36 - 1