VOLUME 10, 2013
CONTENTS
Mathematics
Tsetska
Rashkova ........................................................................................................... 7
Identities of M2(E) are identities for classes of
subalgebras of Mn(E) as
well
Antoaneta Mihova ............................................................................................................ 14
Polynomial identities of the 3x3
matrices over the finite dimensional
Grassmann algebra
Eli Kalcheva .................................................................................................................... 19
On the existence of multiple periodic
solutions of fourth – order semilinear
differential equations
Veselina Evtimova
.......................................................................................................... 27
Iliyana Raeva ................................................................................................................... 34
System for
modeling of ambiguous semantics
Informatics
Valentina
Voinohovska, Svetlozar Tsankov, Rumen Rusev..........................................
39
Use of
computer games as an educational tool
Valentina Voinohovska, Svetlozar Tsankov, Rumen Rusev ......................................... 44
Åducational
computer games for different types of learning
Victoria Rashkova, Metodi Dimitrov .............................................................................. 49
Creating an E-Textbook for the Course Workshop on Computer Networks and Communication
Metodi
Dimitrov, Victoria Rashkova .............................................................................. 56
Possibilities of
online freelance platforms
Galina
Atanasova ........................................................................................................... 60
Didactic
aims and perspectives in computer science teaching
Rumen
Rusev ................................................................................................................ 66
Software system
for processing medical diagnostic images
ValentinVelikov ............................................................................................................... 72
Automatic program generation without
internal machine representation
Valentin
Velikov .............................................................................................................. 78
System for
automated software development
Physics
Lyubomir
Lazov, Nikolay Angelov .................................................................................. 89
Investigation of the influence of the type of
surface on the quality of laser
marking
Nikolay
Angelov, Tsanko Karadzhov ............................................................................. 96
Optimization of
the process of laser marking of metal product
Nikolay
Angelov, Ivan Barzev ........................................................................................ 102
Determination of preliminary intervals of the speed
of laser welding on electrical
steel
Conference
ITE – 2012
Tsetska Rashkova ......................................................................................................... 107
Usage of the system Mathematica in teaching and learning number theory
Veselina
Evtimova .......................................................................................................... 115
Using the
Maple software product in studying functions
Ralitsa
Vasileva-Ivanova ................................................................................................ 124
Plane in space
with mathematical software
Mihail
Kirilov .................................................................................................................... 130
Use of
dynamic software for sketches in Geometry lessons
Magdalena
Metodieva Petkova ...................................................................................... 136
GeoGebra
in school course in geometry
Milena
Kostova, Ivan Georgiev ...................................................................................... 145