<P>Preface: Exposure to the African Roots of Mathematics Modelling and Engineering Design</P><P><I>Mammo Muchie and</I> <I>Nnamdi Nwulu</P></I><P>Introduction: Engineering design and mathematical modelling: Concepts and applications</P><I><P>Nnamdi Nwulu and Mammo Muchie</P></I><P>1. Current state and trajectory of design engineering in Kenya </P><I><P>Hailemichael Teshome Demissie</P></I><P>2. Student's perception of engineering design for competitiveness in Africa: The case of Tanzania, East Africa </P><I><P>Lawrence Joseph Kerefu and Juliana Zawadi Machuve</P></I><P>3. Barriers hindering biomimicry adoption and application in the construction industry </P><I><P>Olusegun A. Oguntona and Clinton O. Aigbavboa</P></I><P>4. Inventory of kiln stacks emissions and health risk assessment: Case of a cement industry in Southwest Nigeria </P><I><P>Solomon O. Giwa, Collins N. Nwaokocha and Abayomi T. Layeni</P></I><P>5. Modelling the effects of exposure to risk on junior faculty productivity incentives under the academic tenure system </P><I><P>Ibrahim Niankara</P></I><P>6. Analyses of mathematical models for city population dynamics under heterogeneity</P><I><P>O.C. Collins, T.S. Simelane and K.J. Duffy</P></I><P>7. Mathematical model showing how socioeconomic dynamics in African cities could widen or reduce inequality </P><I><P>Obiora Cornelius Collins, Thokozani Silas Simelane and Kevin Jan Duffy</P></I><P>8. Exchange rate impact on output and inflation: A historical perspective from Zimbabwe </P><I><P>Nyasha Mahonye and Tatenda Zengeni</P></I><P>9. A mathematical formulation of the joint economic and emission dispatch problem of a renewable energy-assisted prosumer microgrid</P><I><P>Uyikumhe Damisa and Nnamdi I. Nwulu</P></I><P>10. A simplified control scheme for electric vehicle-power grid circuit with DC distribution and battery storage systems</P><I><P>Kabeya Musasa, Musole Innocent Muheme, Nnamdi Ikechi Nwulu and Mammo Muchie</P></I><P>11. Temporal analysis of electricity consumption for prepaid metered low- and high-income households in Soweto, South Africa</P><I><P>Njabulo Kambule, Kowiyou Yessoufou, Nnamdi Nwulu and Charles Mbohwa</P></I><P>12. A novel approach for the identification of critical nodes and transmission lines for mitigating voltage instability in power networks</P><I><P>Akintunde Samson Alayande and Nnamdi Nwulu</P></I><P>13. Design, construction and mathematical modelling of the performance of a biogas digester for a family in the Eastern Cape province, South Africa<EM>Patrick Mukumba, Golden Makaka, Sampson Mamphweli and Peace-maker Masukume</EM></P><P>Conclusion: Post Scriptum, Mathematical Modelling and Engineering Design to Promote STEM Education in Africa</P><P></P><I><P>Mammo Muchie & Nnmandi Nwulu</P></I>