Mr. Emanuel S Dadi is an assistant lecturer in the Department of Physics, Mathematics, and Informatics of the Dar es Salaam University College of Education. He holds an MSc in mathematics from the University of Dar es Salaam, Tanzania. He also did a BSc (Ed.) specializing in Physics and Mathematics as teaching subjects at Dar es Salaam University College of Education(DUCE), a constituent college of the University of Dar es Salaam, Tanzania. He teaches undergraduate mathematics courses (foundations of analysis, functions of single variables, Abstract algebra, and functional analysis). His current research area is on mathematical analysis based on topological spaces, integrating measure theory and topological data analysis