A short primer on assemblers, compilers, and interpreters: 
In the early days of computing, hardware was expensive and programmers were cheap. In fact, programmers were so cheap they weren’t even called “programmers” and were in fact usually mathematicians or electrical engineers. Early computers were used to solve complex mathematical problems quickly, so mathematicians were a natural fit for the job of “programming.”
read more: Opensource.com JnyJny
Supporting Open Source.
Have you tried: Travelling to South Africa?