Answer:The page up and page down keys are sometimes called PgUp or PgDn and they are located on the right of the keyboard with page up on top and page down on the bottom. This short article about technology can be made longer.
Explanation:
Rapid prototyping as it allows the production of a functional program in a short time
You didn't include the original function, but the new function will contain something like:
function kelvin_to_celsius(k)
{
return k - 273.15;
}
Depending of course on your programming language.
The outcome for negative Kelvin is undefined, you could test for that.
Climate seems like the correct answer