MQL operations

With MQL following operations can be processed.

• Arithmetical Operations

Symbol	Operation	Sample	Alternative
+	Adding	x + 2
-	Substruction or sign change	x - 3, y = - y
*	Multiplication	3 * x
/	piding	x / 5
%	Mode operation	minutes = time % 60
++	Adding 1	y++	y = y + 1
--	Substruction 1	y--	y = y - 1

• Assignment Operations

Symbol	Operation	Sample	Alternative
=	Assigining x value to y variable	у = x
+=	Adding x value to y value and assigning it to y variable	у += x	y = y + x
-=	Minusing x value from y value and assigning it to y variable	y -= x	y = y - x
*=	Multiplication y and x and assigning result to y	y *= x	y = y * x
/=	piding y to x and assigning result to y	y /= x	y = y / x
%=	Mode y to x and assigning result to y	y %= x	y = y % x

• Relational Operations

Symbol	Operation	Sample
==	If x equal to y than returns true	x == y
!=	If x not equal to y than returns true	x != y
<	If x less than y than returns true	x < y
>	If x greater than y than returns true	x > y
<=	If x less or equal to y than returns true	x <= y
>=	If x greater or equal to y than returns true	x >= y

• Boolean true false operations

Symbol	Operation	Sample	Definition
!	Not	! х	If x value is true than it returns false
||	Or	x < 5 || x > 7	If one of two conditions is true than it returns true
&&	And	x == 3 && y < 5	Only if two conditions are true than it returns true

• Bit binary operations

Complementary operation; it return the opposite value of the parameter bit.

b = ~n;

Iteration operation; it iterates bits inside x to right as amount of y, fills empty bits with 0 value.

x = x >> y;

Iteration operation; it iterates bits inside x to left as amount of y, fills empty bits with 0 value.

x = x << y;

And operations returns true only if both statement are correct.

b = ((x & y) != 0);

Or operations returns true if one of the multiple conditions is true.

b = x | y;

Exclusive or returns true if both statement have different value from each other. Otherwise if they have same value than it returns false.

b = x ^ y;

• Comma operations

for(i=0,j=99; i<100; i++,j--) Print(array[i][j]);   // Seperates parameters in loops

My_function(Alf, Bet, Gam, Del)                     // Seperates parameters during calling function

• Function calling operations

Functions are called from their name with their parameters. If the function returns a value, it needs to be assigned same value type variable.

Function_Name (Parameter_List)             // calling non return type function

Variable = Function_Name(Parameter_List);  // calling return type function