The teaser presents a series of unusual multiplication problems: "5 x 3 = 51, 5 x 5 = 52, 5 x 4 = 02, 5 x 6 = ??". This ...
I added customizability options to the visualizations. NOI.PH's (the Philippine's National Olympiad of Informatics) online judge and problem manager. I added developer tools. I also help out younger ...