MATHEMATICS

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Across
  1. 2. A NUMBER THAT CAN ONLY BE DIVIDED EXACTLY BY ITSELF AND THE NUMBER ONE (E.G. 7)
  2. 3. A RATIO OF ALGEBRAIC QUANTITIES
  3. 7. ONE OF THE WRITTEN NUMBERS FROM 0 TO 9
  4. 9. A DOT USED TO SEPERATE ONES FRROM TENTH
  5. 12. THE ACT OF UNITING NUMBERS
  6. 14. BRACETS EXPONENTS DIVISION MULTIPICAION ADDITION SUBTRACTION
  7. 15. NUMBERS LESS THAN ZERO
  8. 16. THE VALUE OF A DIGIT DEPENDING ON ITS PLACE IN A NUMBER
  9. 18. FACTS AND STATISTICS COLLECTED TOGETHER FOR REFERENCE OR ANALYSIS
Down
  1. 1. THE PROCESS OF FINDING THE DIFFERENCE
  2. 2. 3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679
  3. 4. A PROPORTION PER 100
  4. 5. THE OPPOSITE OF A PRIME NUMBER
  5. 6. OPPOSITE OF DIVISION
  6. 8. FRACTIONS OF A WHOLE
  7. 10. A NUMBER WITHOUT FRACTIONAL PARTS
  8. 11. THE ACTION OF SEPARATING SOMETHING INTO PARTS
  9. 13. A SYMBOL USED TO SEPERATE THE VALUE OF THE NUMBERS (E.G. 1,234,567)
  10. 17. THE PART OF MATHEMATICS IN WHICH LETTERS AND OTHER GENERAL SYMBOLS ARE USED TO REPRESENT NUMBERS AND QUANTITIES IN FORMULAE AND EQUATIONS.