Development and Implementation of Cloud Open Source Cryptocurrency BI Dashboards System -- Ensemble Tweets Emotion Detection Model using Transformer Based Architecture, Support Vector Machine and Long Short-Term Memory -- Students' Subscribers Ranking of Mobile Network Operator using Analytical Hierarchical Process -- Rheographic Evaluation of Endothelium Regulation of Vascular Tone -- Combination of Endothelium-Dependent and Endothelium-Independent Vasodilation Tests in the Assessment of Endothelial Function -- Algorithms for Solving Some Engineering Problems and Checking the Correctness of Computer Symbolic Calculations -- Method of Integral Gradients for Searching Global Extremum of Multivariable Functions (Procedure Improvement) -- Numerical Implementation of Multidimensional Functions Extremum Search -- One Possibility for Rationalization of the Highway Bridge Span Design -- Selection of a Variant Steel Space Truss Structure Based on the Bioenergetic Method.