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Improving problem-solving skills through Logo programming language

100%
Pardamean B., Suparyanto T., Evelyn
The New Educational Review
|
2015
|
vol. 41
52-64
EN
The effect of Logo programming language on problem solving skills was investigated in this study. Eighty-five fifth-grade students were assigned to either an experimental or control Logo group. They were pre-tested to assess baseline receptiveness to figural and logical word problem-solving skills. After eight weeks of learning, the Logo experimental group had significantly higher scores than the control group on the problem-solving skills tests (assessing both figural and logical word problem-solving skills). The result revealed significant differences in the figural problem-solving skill between the Logo experimental and control groups. An implication was that Logo programming exercised skills are more critical and relevant to the figural problem-solving skill. Possible alternative explanations and suggestions are provided for future research endeavors.
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Program for Modelling Queuing Systems in Transport

72%
Dimitrov S.
Logistics and Transport
|
2012
|
vol. 15
85-90
EN
This paper presents an example application of a software program developed using the programming language VBA and designed for modelling queuing systems in the field of transport. The program enables users to quantitatively determine the indicators of the queuing systems. In order to show the program’s capabilities and how it can be used, two scenarios have been considered - modelling single-server and multi-server queuing systems of type M/M/1 and M/M/S, respectively, having a Poisson incoming flow of requests and exponentially distributed service times.
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