07-November-2013 Thursday
Stop!
11-July-2013 Thursday
Fallacy - parallel lines intersect in Lobachevsky's geometry
07-July-2013 Sunday
An attack of generosity
07-June-2013 Friday
The Greatest Mistake
24-May-2013 Friday
There is no limit to insolence
23-May-2013 Thursday
Thinking in English
22-May-2013 Wednesday
Guitarists need help
22-May-2013 Wednesday
Newbie Questions
22-May-2013 Wednesday
Remember childhood
22-May-2013 Wednesday
System War: Android or iOS
v20240901
