Of, pertaining to, or employing calculation(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "calculational" in a sentence
"Wolfram Alpha is like Google with calculational capability."
"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."
"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."