Text to diagram to symbol: representational transformations in problem-solving Central to engineering problem solving is what we call representational transformation. Such transformations are built ...

Function-symbols especially include constant symbols of type ι (as functions of arity 0). Note however, that we could as well avoid constant symbols, and just use defined free variables, instead. Or ...

WASHINGTON, D.C.– The American Petroleum Institute (API) is introducing a new special Service Symbol Donut to help consumers identify the recently approved API FA-4 diesel engine oil. API approved two ...

Central to engineering problem solving is what we call representational transformation. Such transformations are built upon community-sanctioned practices often referred to as "back of the envelope" ...