Advanced functions. Functions are easy to create in Excel and, by design, they simplify and automate tasks that would otherwise be much more labor intensive. That said, there are a number of functions that, in practice, require some skill in order to solve complex problems.
While not officially called the Ram Air I when it was issued, it was indeed the first in a series of Ram Air V8 engines from Pontiac. This engine was installed in the 1967 GTO/Firebird as the top of the line option and at 360 hp (270 kW) (underrated), it was the most advanced 400 in the line.
Ram claims a payload capacity of up to 5145 pounds and a gross combined weight rating of 11,500 pounds with the V-6 and 12,500 pounds if you opt for the diesel. Ram also asserts that the ProMaster rates best in class for fuel economy, cargo capacity, ceiling height, step-in height, and low load floor.