Across
- 2. in which system there is no symbol for zero?
- 5. if 1=3,2=3,3=5,4=4 and 5=4 then 6=?
- 6. what is the other name of multiplication sign ?
- 8. who was the first person to make use of negative numbers
- 10. what is the mathematical recipe for working something out
- 11. what is the flat image that can be easily displayed in 3d called?
- 14. who constructed the first trigonometric table ?
- 16. if 13th March is Wednesday on 2024 then on 2028 what is the day?
- 17. what is the other name for international day of mathematics?
- 18. what comes before a quadrillion?
- 20. what may be mixed,complex or vulgar?
Down
- 1. what is XLII in Arabic numerals ?
- 3. what two digit number that is Twice the sum of their digits
- 4. name the polygon which has 15 sides ?
- 7. what does 1 followed by 100 zeros mean?
- 9. our measurement of time is based on which number system ?
- 12. apart from 1 which is the first positive number that is both as square and cube
- 13. two numbers whose product is 1 are called?
- 15. what maths term means as correct and exact as possible?
- 19. what was the symbol discovered by John Wallis