Across
1
Repeated addition
5
Sum divided by count
6
Corner point of a polygon
7
Number with digits after a point
8
Rectangular array of numbers
11
Number divisible only by 1 and itself
14
Line touching circle at one point
Down
2
Lines that never intersect
3
Mathematical rule or equation
4
Parts per hundred
7
Split into equal parts
9
Value that does not change
10
U-shaped curve of a quadratic function
12
Power to which a number is raised
13
Number greater than zero