I began my journey into computing due to a problem that required solving. As an instructor of forest surveying work, I realized the need to convert imperial units of measurement, which used chains and links, into meters and centimetres. That was when the country chose to embark on the metric system. Topographic surveys necessitated field measurements to account for the degree or percentage of slope, and we relied on a topo addition table when working with chains and links. However, when transitioning to the metric system, we lacked a similar tool. Therefore, I took it upon myself to create one.
Although calculators were available, they were not practical for our needs. Hewlett Packard offered programmable calculators, but unfortunately, the management did not approve the purchase. It was at this point that I came across an advertisement for a computer called the Sinclair ZX81, and I became convinced that it could solve my problem. Despite it costing half of my monthly salary, I decided to invest in the Sinclair.
Setting up the Sinclair ZX81 required a television as a monitor, and I had to purchase a new one since my old television was black and white, whereas the Sinclair required a color TV. For storage, I utilized tape cartridges.
After some effort, I managed to get the Sinclair ZX81 up and running. Within a week, I had successfully created my correction table. The Sinclair ZX80 proved to be a valuable tool in addressing the challenges of my surveying work, allowing for more efficient and accurate calculations. The happiness of success.
The Sinclair ZX81 holds a special place in my computing journey, as it not only provided a solution to my specific problem but also opened doors to further exploration and understanding of the world of technology. Its affordability and functionality made it accessible to enthusiasts like myself, and it played a significant role in shaping the early days of personal computing.
Reflecting on my experience with the Sinclair ZX81 brings back memories of the excitement and satisfaction that came with solving real-world problems through the power of computing. It serves as a reminder of how innovative and resourceful individuals can find practical solutions when faced with challenges in their respective fields.