A function is a rule that is applied to one set of values to give another set of values. A function can be illustrated on a graph – points are plotted as coordinates and joined by either a straight ...

If you’re fed up with being handed decade-old battered calculators and struggling to read the numbers on the faded screens, it might be time to invest in a calculator of your own. Aside from being ...

We welcome a curriculum that will give young people valuable green design skills that they can carry into their future careers. The next generation of designers need to feel equipped and inspired to ...

See how easy it is to create interactive web graphs from ggplot2 visualizations with the ggiraph R package. You can even link graphs so that clicking one dataviz affects the display of another. Static ...

Maths questions often start with the command words 'calculate' or 'determine'. They will then have a blank space for you to show your working. It is important that you show your working; don't just ...

Graphs and data plots are wonderful tools for illustrating relationships, depicting data trends, and tracking goals in your Android applications. I saw this for myself several years ago, when a former ...

Use the bar at the top of the page to compare 2012 and 2011 GCSE grade percentages by subject. Around 600,000 teenagers across England, Wales and Northern Ireland received their GCSE results this ...

For the given circuit graph the transfer function Vo(Vs). Assume forward biased voltage drop for the diode is 0.7V. The voltage will not allow the diode to conduct until the source voltage is at least ...