- in Year Seventh (2019) / Issue Third, Author(s): Toni Chehlarova, Monika Koceva, Ivan Petkov, Dinko Tsvyatkov | DOI: 10.15547/PF.2019.018
A two-subjects webinar: information technology and arts with the participation of a lecturer from the Institute of Mathematics and Informatics and the...
- in Year Eighth (2020) / Issue Second, Author(s): Тoni Chehlarova | DOI: 10.15547/PF.2020.013
... learning preparation and the first week of its conduction are presented. Distance learning was introduced by the Ministry of Education on March 16, 2...
- in Year Eighth (2020) / Issue Third, Author(s): Toni Chehlarova, Ivan Petkov | DOI: 10.15547/PF.2020.019
...
- in Year Ninth (2021) / Issue Third, Author(s): Toni Chehlarova | DOI: 10.15547/PF.2021.015
A misconception related to the use of a non-existent figure in a task is presented. An opportunity for research work related to this problem is presen...
- in Year Ninth (2021) / Issue Fourth, Author(s): Toni Chehlarova, Mladen Valkov | DOI: 10.15547/PF.2021.021
...e for both PC and Android with mixed reality. The purpose of creating the game is to provide conditions for the development of digital and mathematica...
- in Year Twelfth (2024) / Issue Second, Author(s): Toni Chehlarova | DOI: 10.15547/PF.2024.010
...lts of solving such tasks by students in 3rd and in 4th grade in the online competition "VIVA Mathematics with a computer" organized by the Institute ...
- in Year Thirteen (2025) / Issue First, Author(s): Neda Chehlarova, Koya Chehlarova, Natalia Gecheva | DOI: 10.15547/PF.2025.004
... educational experts from several cities in Bulgaria participated in them. All participants made their own original work on the topic "Jewelry with a ...
