mathematics 
Mathematik 
factorial 
Fakultät 
integral 
Integral 
infinity 
unendlich 
fraction 
Bruch 
sum 
Summe 
square root of 
Quadratwurzel aus 
is not an element of 
nicht Element von 
is an element of 
Element von 
union of two sets 
Mengenvereinigung 
intersection of two sets 
Mengenschnitt 
is included in/is a subset of 
echte Teilmenge von 
percent 
Prozent 
empty set 
leere Menge 