Addition
15 + 23
38
13
4 x 15
60
The number below the line in a fraction. For example, 4 in 3/4.
Denominator
8 - 3 + 6
11
34 + 3 + 14
51
4 - 9
-5
12 x 13
156
The formula name for: c squared = a squared plus b squared
Pythagoras theorem
2 x 3 - 4
2
642 + 89 + 4
735
864 - 127
737
4 x 8 x 6
192
Substitution
4 x 5 - (2 x 3) + 5
19
12456 + 1563
14019
546 - 120 - 12
414
0.5 x 40
20
All angles inside a triangle add to this number.
180 degrees
42 - (4 x 2) - 10
-2
36802 + 46 + 639
37487
- 23 - 4 - 8
-35
124 x 13
1612
Two lines that cross each other at a 90 degree angle.
Perpendicular
(5 - 3)2 - 5 x 3
-11