Hi 
I`ve got an expierence with theese guys  that were mentioned before. 
https://bm.cari.com.my/home.php?mod=space&uid=2424768&do=blog&quickforward=1&id=87004
https://www.irobot.it/forum/topic/7275-accounting%26-26159%3B%26-20160%3B%26-20040%3B%26-26679%3B%26-30340%3B%26-32844%3B%26-19994%3B%26-65311%3B/
http://forum.dydaktyka.fizyka.umk.pl/viewtopic.php?f=9&t=5514
http://www.europacolon.pt/forum/topico/10101-
https://sylpheed.sraoss.jp/redmine/boards/1/topics/22395
 
And I watned to translate thanks!

Ernestfig