Across
1
Value that does not change
5
Rectangular array of numbers
6
The number representing nothing
7
Line crossing from corner to corner
8
Result of raising a number to an exponent
10
Corner point of a polygon
13
Middle value in an ordered dataset
14
Divisible by two
Down
2
Power to which a number is raised
3
Number less than zero
4
Total distance around a shape
9
Part of a circle's circumference
11
Rectangle with four equal sides
12
Math using letters for unknown values