In getting the vertex of the quadratic function in general form , we usually need to convert it to the vertex form . In the latter form, the vertex of the parabola is at . For example, the function in the general form can be rewritten in the vertex form as . In the vertex form, […]

Continue reading…

# Monthly Archives: January 2016

## GIMPS Discovers The Largest Known Prime Number Yet

The Great Internet Mersenne Prime Search (GIMPS) discovered the largest prime number yet on January 7, 2016. The number is . It contains 22,338,618 digits. If you are wondering how long it is, suppose that you can write an average of 2 digits per second, you will be able to finish writing this number in […]

Continue reading…

## Take Notes and Scribble with Inkflow Visual Notebook

I usually solve problems and organize my thoughts by taking notes while on the go, so I have been looking for a free note taking, scribbling, or doodling phone application for some time. I have downloaded and tested several applications, but I was not really satisfied by any of them. A week ago, I purchased Inkflow Visual […]

Continue reading…