!!!Artihmetik

* [1+|one-plus]
* [1-|one-minus]
* [2+|two-plus]
* [2-|two-minus]
* [2*|two-times]
* [2/|two-divide]
* [3+|three-plus]
* [abs|absolute]
* [not]
* [negate]
* [even]
* [max|maximum]
* [min|minimum]
* [+|plus]
* [-|minus]
* [*|times]
* [/|divide]
* [mod]
* [/mod|divide-mod]
* [*/|times-divide]
* [*/mod|times-divide-mod]
* [u/mod|u-divide-mod]
* [umax|u-maximum]
* [umin|u-minimum]