x = y	x and y represent the same thing or value
x rozne od y	x and y do not represent the same thing or value
x > y	x is greater than y
x <<y	x is much less than y
x >= y	x is greater or equal to y
L1 < L2	the problem l1 is Karp reducible to l2
4 + 6	the sum of 4 and 6
9 - 4	the subtraction of 4 from 9
6 +-	both 6 +3 and 6 -3
3 * 4	the multiplication of 3 by 4
iloczyn tensorowy V i U	the tensor product of V and U
6 : 3	the division of 6 by 3
pierwiastek kwadratowy z x	the nonnegative number whose square is x
|x|	the distance along the real line between x and zero
||x||	the nearest integer of x
n!	the product 1*2*...*n
x w przyblizeniu rowny y	x is approximately equal to y