Across
- 2. to introduce something new or make changes to anything established
- 5. a set of numbers and operations
- 6. a whole number that divides evenly into a whole number
- 7. to be necessary, proper or advantageous
- 9. measures distance of a place east or west of the meridian
- 10. the state of being equal
- 12. measures distance north or south of the equator
- 14. awkward in appearance or manner; rude
Down
- 1. a part or imprint of something that was once alive
- 3. learned or scholarly
- 4. addition, subtraction, multiplication or division
- 8. something that furnishes proof
- 11. Spanish slang meaning a friend
- 13. Objects created and used by humans