Across
1
Visual representation of data
3
Exact correspondence on both sides
4
Number greater than zero
7
Power to which a number is raised
8
Value that does not change
9
The number representing nothing
10
Comparison of two quantities
12
Divisible by two
14
Line crossing from corner to corner
Down
2
Number with digits after a point
5
Corner point of a polygon
6
Longest side of a right triangle
11
Mathematical rule or equation
13
Repeated addition
15
Number less than zero