Efficiently and Correctly

adverb

• With efficiency; in an efficient manner.
  • usage: "he functions efficiently"
  • synonyms: expeditiously

(adv.) With effect; effectively.

adverb

• In an accurate manner.
  • usage: "the flower had been correctly depicted by his son"; "he guessed right"
  • synonyms: right, aright

(adv.) In a correct manner; exactly; acurately; without fault or error.