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The Role of Computer Animation in Mathematics Teaching

Author(s): Sergey Larin,Valeriy Mayer / Language(s): English Issue: 6/2018

The article is devoted to the role, importance, and use of animated drawings created on computer screens in GeoGebra platform for Mathematics teaching at schools and Universities. The use of this platform introduces a new kind of visibility in Mathematics learning, which entails not only an increased interest to the subject, but also promotes understanding and stronger perception of abstract material. In addition, an opportunity appears to remove computing difficulties, since the calculations are done by the computer. The user becomes a manager of computing and this saves time, but also allows acquiring new competence in useful digital technologies in education. Animated graphics help to realize experiments, to notice new patterns, to suggest solutions of mathematical problems and to illustrate them successfully. All that is of great importance for the formation of the new generation, called upon the development of the Russian digital economy.

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Управление на софтуерно дефинираните мрежи с Floodlight Controller

Author(s): Rumen Todorov / Language(s): Bulgarian Issue: 6/2018

The basic idea for software-defined networks (SDN) is the separation of systems that control the network from systems the data plane. This defines a layer of program control and control of the whole network (control layer). The SDN controller manages the entire network, receives instructions and instructions from the application layer and relays them to the network components. The controller retrieves network infrastructure information – a infrastructure layer – and returns it back to the application layer. In this article we will present the basic architecture and features of the Floodlight controller. We test different topologies of the Mininet network simulator, interaction between virtual machines, adding and intercepting OpenFlow flows from the Wireshark network analyzer.

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Некоторые траектории, которые определены равнобедренными треугольниками

Author(s): Kseniya Gorskaya,Daria Kopteva,Daniil Mikurov,Yerkin Amirzhanovich Mudebaev,Adilbek Timurovich Temirkhanov,Kazbek Batyrbekovich Mukhambetov,Irina Hristova,Radina Ivanova,Lilly Stefanova / Language(s): Russian Issue: 6/2016

The paper presents the main results of the work of an international group of students in the frames of the research project “Geometry Scrabble in Cloud”. The study consisted in creating and solving problems that were generalizations and natural analogues of a starting problem. It applied analytical geometry methods and was software supported by GeoGebra, Geometer’s Sketchpad and Maple. As a result various problems were created leading to loci like Euler line, curves of second degree and also curves of higher order.

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Домашната работа – неделима част от учебния процес

Author(s): Elena Radovanova / Language(s): Bulgarian Issue: 6/2016

The paper is dedicted to the problems of the mathematical education in German taking place in the Technical University, Sofia. It focuses on the homework as an integral part of the learning process. The need of considering the suggested problematics is justified: the lesrner should be able to use literaure in German, to express him/herself correctly in writing and orally, and should be capable in transfering mathematical knowledge; at the same time the tasks which the instructor faces are connected with the solution of linguistic, methodological and procedural problems appearing in the mathematical education in German.

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Някои групи логаритмични уравнения с помощта на Еxcel

Author(s): Diana Stefanova,Plamen Penev / Language(s): Bulgarian Issue: 6/2016

The paper proposes possibilities to solve some groups of logarithmic equations by the help of the computer program Excel. The goal is to improve the capacities and to increase the interest of students studying mathematics in the secondary school.

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Псевдоцентър и ортоцентър – забележителни точки в четириъгълника

Author(s): Veselin Nenkov,Stanislav Stefanov,Haim Haimov / Language(s): Bulgarian Issue: 6/2016

The paper describes some properties of two notable points inthe convex quadrilateral, which naturally generalize the circum-center and theorthocenter of the inscribed quadrilateral.

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Genetic Algorithm

Author(s): Reinhard Magenreuter / Language(s): English Issue: 6/2016

There are four backbones to analyze time-series in general and forecast time-series for financial markets: Chaos-theory, Fuzzy logic, Neural networks and Genetic algorithms. The first one is considered in (Magenreuter, 2016a), while the second one – in (Magenreuter, 2016c) and the third one – in (Magenreuter, 2016b). The present paper is dedicated to the fourth backbone including promising outcomes in financial markts.

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Biblioteki stowarzyszeniowe we Włocławku w latach 1815–1918

Author(s): Bernardeta Iwańska-Cieślik / Language(s): Polish Issue: 3/2018

In Włocławek, as in other towns of the Polish Kingdom, there were formed organizations whose one aspect of the action was to build national identity through the book and the press. This could be trade unions, voluntary organizations, social organizations, cooperatives and business associations. In their premises or specially designed for these purposes premises created libraries closed only to their members, or open – social. In the nineteenth and early twentieth century in the capital of East Kujawy worked: charitable societies, educational organizations, an association of mutual assistance, cultural organizations, associations of libraries, volunteer company for fire-fighting, food associations, credit societies and sports-touristic and other social organizations. Unfortunately, only some of them have made the creation of a public library. There were 94 organizations, but only 22 had libraries and two reading rooms.

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Charakterystyka i opracowanie zbioru archiwalnych negatywów w Bibliotece Akademii Sztuk Pięknych w Gdańsku

Author(s): Piotr Giziński / Language(s): Polish Issue: 4/2018

The purpose of the article is to present a method of the treatment of the collection of archive negatives of the State Institution of Higher Education of Visual Arts in Gdańsk by the library of the Academy of Fine Arts in Gdańsk. The article discusses the author’s own experience in the work on the photographical material and the relevant problems which were experienced by the library staff. One applied an experimental method in research. The experiences which were collected and described in the article may serve the task of the development of one’s own methods and may prompt librarians to engage in the treatment of photographical collections in their libraries. The process of the digitalisation of photographs sparked a great interest of the users of the library. When one initiates the scanning of materials, one may encounter logistic problems (e.g. the setting up of a workroom), financial problems (e.g. the purchase of a scanner and the relevant materials), also the methodology itself may become an obstacle. It is necessary to make a comprehensive inventory of photographs so that eventually they may be rendered accessible to the users of a reading room. This will contribute to the enhancement of the familiarisation with the history of the University and its influence upon the development of art in the region, and it may also influence the enhancement of the prestige of the scholarly institution. The treatment of a photograph is an interesting and also a difficult task, which requires a great deal of humility, dedication and patience on the part of the researcher.

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Базите данни като средство за по-качествено обучение по информационни технологии

Author(s): Vesselin Dzivev / Language(s): Bulgarian Issue: 5/2016

The article describes new opportunities for training in “Information Technologies” predominantly studying databases. In applying this type of training it focuses on understanding the data, the transformation into information and knowledge. The peculiarities of the methodology are described in applying this approach to training.

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Еxcel в помощ при решаване на някои показателни уравнения

Author(s): Diana Stefanova,Plamen Penev / Language(s): Bulgarian Issue: 5/2016

The paper proposes to include possibilities of the experimental environment of the program Excel in varying the problem solving of some groups exponential equations by secondary students.

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An Improvement of the Gerretsen’s Inequality for Non-obtuse Triangles

Author(s): Šefket Arslanagić / Language(s): English Issue: 5/2016

The inequality s2>- 2R2 + 8Rr + 3r2 is proved in the paper as a generalization of the Gerretsen’s inequality s2 >-r (16R -5r) for non-obtuse triangles.

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Three Inequalities for the Altitudes of a Triangle

Author(s): Šefket Arslanagić / Language(s): English Issue: 5/2016

The following three inequalities are considered in the paper..............

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Forecasting of Time-Series for Financial Markets

Author(s): Reinhard Magenreuter / Language(s): Bulgarian Issue: 5/2016

One of the four backbones to analyze time-series in general and forecast time-series for financial markets, particularly, is the Chaos-Theory. The four backbones are: Chaos-theory, Fuzzy logic, Neural networks and Genetic algorithms. Although each method itself is a powerful analytic tool, the present paper suggests to combine them to a hybrid analytic and analysis tool, where all methods interact and result in promising outcomes.

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Активно, участващо наблюдение – тип интервю

Author(s): Hristo Hristov,Hristo Krushkov / Language(s): Bulgarian Issue: 4/2016

The article addresses the issue of the nature, development and application of qualitative research method "In-Depth Interview". Attention is paid to the specifics of the qualitative methods in which the various studies require to develop separate, specialized research methods.The method of type In-Depth Interview developed by the authors is presented in the study of contemporary theories to create software and to analyse the state of education in software engineering. The qualitative "Grounded Theory" of B. Glaser and A. Strauss serves as a basis for its development. Through it, in "In-Depth Interview", key issues are integrated like the methods "observation" and "interview". It is one of the methods to build the foundations of the theory of teaching methodology of software engineering.

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Практическа задача от тип PISA, изследвана с помощта на софтуер за общо приложение

Author(s): Sava Grozdev,Desislava Georgieva / Language(s): Bulgarian Issue: 4/2016

The paper is dedicated to a practical problem in mathematics. A didactic scenario is proposed for a mathematical class lesson, based on a multiple representation applying dynamic drawings and spreadsheets.

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От структурно към обектоориентирано програмиране

Author(s): Hristo Krushkov / Language(s): Bulgarian Issue: 4/2016

Arose in the late sixties of the twentieth century, affirmed through the eighties and especially booming in its last decade, object-oriented programming has established itself as a leading style of programming at the beginning of the new century. While this style of programming has almost no alternative in the mass production of software, its imposition in secondary school educational practice is delayed. The article analyses the reasons for the slow uptake of object-oriented programming in secondary school and presents an approach to change the style of teaching Programming. The approach is illustrated through a suggested solution of an entrance exam task in Informatics at the University of Plovdiv using C#.

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Характер современного образования в условиях построения информационного общества

Author(s): Jaroslav Vagramenko,Sava Grozdev,Alexander Rusakov / Language(s): Russian Issue: 3/2016

The article deals with a retrospective and a conceptualized view of the future impact of information technology on the nature of modern education.

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Компютърната лингвистика: атрактивно средство за активно обучение

Author(s): Hristo Krushkov / Language(s): Bulgarian Issue: 3/2016

The advent of ICT in education is becoming increasingly notable. Using only traditional methods for training students is very frustrating and demotivating for the so called “Generation Z” or “Internet generation”. For the decreasing number of students, graduates and prospective students only the teachers and educational institutions that can implement innovative training methods by using ICT are attractive. The article examines the impact of computational linguistics on the active learning both of students specializing in “Informatics and Computer Science”, and of students in Bulgarian language and other linguistic disciplines. It is described an E-learning environment, developed by the researcher, which is used for Bulgarian language training and language construction experiments. The environment is designed for students, foreigners and bilingual.

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Международна Жаутиковска олимпиадa

Author(s): Sava Grozdev,Veselin Nenkov / Language(s): Bulgarian Issue: 1/2016

The problems of the International Zhautikov Olympiad in 2016 and their solutions are considered. Methodological solutions are proposed.

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