Of, pertaining to, or employing calculation(adjective)
Examples of word calculational
The diagrams are named after Richard Feynman, who invented them as a calculational shortcut.
“Expert Opinion”, in the shape of Merton,Scholes et al., chose to ignore these calculational inconveniences and instead promoted models based on mild randomness – Gaussian.
The best-known form of QED relies on pictures called Feynman diagrams, after the noted physicist and colorful character Richard Feynman, who invented them as a sort of calculational shortcut.
Wolfram Alpha is like Google with calculational capability.
Most physicists particularly experimentalists are content to use the idea of wavefunction collapse as a calculational shortcut and go about the business of predicting and measuring the physical world, for which regular quantum theory works astound-ingly well.
So they are in fact able to derive “QFT calculational tools from first priciples”.
You are right - by and large, people now no longer worry about the fact that they are unable to derive their QFT calculational tools from first principles.
It also suggests that spacetime is really not a physical entity at all, but is more of an auxiliary calculational device.
The metric is a tool, and points defined in a particular metric are calculational entities of sorts.
Does this mean the curvature “exists,” or does this mean that it is a geometrical calculational device for predicting a measurement?