The most probable intended keyword is (referring to a person who ovulates, or tools/tests related to ovulation), or the device/software term "Calculator" (misspelled due to keyboard adjacency: 'c' vs. 'o', 'l' vs. 'u').
Recommendation:
: Use it during the "self-edit" phase to catch stylistic tics before sending manuscripts to an editor. How to Integrate Oualator into Your Workflow oualator