Activity for r~~‭

Type	On...	Excerpt	Status	Date
Answer	—	A: Why always rationalize a denominator? Mathematically, absolutely nothing is wrong with fractions that don't have the smallest positive integer denominator that they could have, as far as I know. Pedagogically, the policy does help with there being a unique answer that can be checked quickly, when grading multiple homework assignments ... (more)	—	over 3 years ago
Comment	Post #278141	You might be interested in [Troll](http://hjemmesider.diku.dk/~torbenm/Troll/), a language and interpreter for expressing complex dice probabilities. The case you're interested in would be `sum largest k nDs` in the Troll language (with suitable constants for $k$, $n$, and $s$). Perhaps one of the pa... (more)	—	over 3 years ago