=+=
add to the current value
> =
greater than or equal to
&&
and
= =
equal
||
sign a condition either is or isn’t equal to
x++
adds 1 to the number assigned to x
x–
decreases by 1
/
is used for division
%
is the modulus symbol this is division with a remainder
!=
not equal too
=+=
add this to its self
!
not
try
attempts to perform a calculation
catch
error message if you try to divide by 0
Finally
displays a message if the calculation worked or didn’t work