Twin directories of calculate:

[DIR]  ftp://77.88.19.68/calculate/calculate/
pkg://calculate-1.00-10mdv2008.1.x86_64.rpm:7386/usr/share/doc/  info  downloads[DIR]3  calculate-1.00-10mdv2008.1.x86_64.rpm/usr/share/doc/calculate/
pkg://calculate-1.00-5mdk.src.rpm:5762/usr/share/doc/  info  downloads[DIR]3  calculate-1.00-5mdk.src.rpm/usr/share/doc/calculate/
[DIR]  ftp://ftp.sai.msu.su/pub/Linux/calculate/
pkg://opencart-0.7.7.tbz:1223747/www/opencart/catalog/language/german/extension/  downloads[DIR]3  opencart-0.7.7.tbz/www/opencart/catalog/language/german/extension/calculate/
pkg://opencart-0.7.7.tbz:1223747/www/opencart/catalog/language/english/extension/  downloads[DIR]3  opencart-0.7.7.tbz/www/opencart/catalog/language/english/extension/calculate/
pkg://opencart-0.7.7.tbz:1223747/www/opencart/catalog/extension/  downloads[DIR]3  opencart-0.7.7.tbz/www/opencart/catalog/extension/calculate/
pkg://opencart-0.7.7.tbz:1223772/www/opencart/catalog/language/german/extension/  downloads[DIR]3  opencart-0.7.7.tbz/www/opencart/catalog/language/german/extension/calculate/
pkg://opencart-0.7.7.tbz:1223772/www/opencart/catalog/language/english/extension/  downloads[DIR]3  opencart-0.7.7.tbz/www/opencart/catalog/language/english/extension/calculate/
pkg://opencart-0.7.7.tbz:1223772/www/opencart/catalog/extension/  downloads[DIR]3  opencart-0.7.7.tbz/www/opencart/catalog/extension/calculate/
pkg://opencascade-doc_6.2-7_all.deb:8036748/www/opencart/catalog/language/german/extension/  info  downloads[DIR]3  opencascade-doc_6.2-7_all.deb/www/opencart/catalog/language/german/extension/calculate/
pkg://opencascade-doc_6.2-7_all.deb:8036748/www/opencart/catalog/language/english/extension/  info  downloads[DIR]3  opencascade-doc_6.2-7_all.deb/www/opencart/catalog/language/english/extension/calculate/
pkg://opencascade-doc_6.2-7_all.deb:8036748/www/opencart/catalog/extension/  info  downloads[DIR]3  opencascade-doc_6.2-7_all.deb/www/opencart/catalog/extension/calculate/
[DIR]  ftp://ftp.mtu.ru/.2/calculate-linux/calculate/
[DIR]  ftp://ftp.relline.ru/pub/unix/calculate/
[DIR]  ftp://93.158.155.193/calculate/calculate/
[DIR]  ftp://ftp.relline.ru/pub/unix/calculate/calculate/
[DIR]  ftp://77.88.19.73/calculate/calculate/
[DIR]  ftp://ftp.mgts.by/pub/calculate/
[DIR]  ftp://ftp.mgts.by/pub/calculate/calculate/
[DIR]  ftp://ftp.xcp.kiev.ua/pub/calculate/
[DIR]  ftp://ftp.xcp.kiev.ua/pub/calculate/calculate/
[DIR]  ftp://ftp.sai.msu.su/pub/Linux/calculate/calculate/
[DIR]  ftp://77.88.19.68/calculate/
[DIR]  ftp://77.88.19.73/calculate/
[DIR]  ftp://93.158.155.193/calculate/
[DIR]  ftp://ftp.ru.kernel.org/calculate/
[DIR]  ftp://ftp.ru.kernel.org/calculate/calculate/