enabling someone to discover or learn something for themselves.
“a ‘hands-on’ or interactive heuristic approach to learning”
proceeding to a solution by trial and error or by rules that are only loosely defined.
a heuristic process or method.
https://en.wiktionary.org › wiki › HE-double-hockey-…
“Hell” spelled out, referring to the fact that capital “L” looks like a hockey stick. Noun Edit. HE-double-hockey-sticks pl (plural only). (idiomatic