Across
- 4. The person who invented zero
- 6. A unit of time for 1/100th of a second.
- 7. the number of digits in pi
- 10. Father of Mathematics
Down
- 1. The name of the symbol of division
- 2. The only number that is spelt with letters arranged in alphabetical order.
- 3. The country that invented the decimal system
- 5. Oldest Branch of mathematics
- 8. The origin of a calculator
- 9. The only number that cannot be represented in Roman Numerals