crossword

5. relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.
7. a rate, number, or amount in each hundred.
9. the sixteenth letter of the Greek alphabet ( Π, π ), transliterated as ‘p’.
10. the process or skill of taking one number or amount away from another.
12. the act or process of symbolising.
13. a mathematical determination of the amount or number of something.
14. the representation of an object, situation, or set of information as a chart or other image.

1. the process of calculating the total of two or more numbers or amounts.
2. the process or skill of multiplying.
3. the action of mathematical calculation.
4. a numerical quantity that is not a whole number
6. a rough calculation of the value, number, quantity, or extent of something.
8. a value or quantity that is nearly but not exactly correct.
11. the action of separating something into parts or the process of being separated.
15. the space between two intersecting lines or surfaces at or close to the point where they meet.