# XY Sensor Function Reference

### Mathematical Operators

OperatorDescription
-Subtraction operator / Unary minus
*Multiplication operator, can be omitted in front of an open bracket
/Division operator
%Remainder operator (Modulo)
^Power operator

### Boolean Operators

OperatorDescription
=Equals
==Equals
!=Not equals
<>Not equals
<Less than
<=Less than or equal to
>Greater than
>=Greater than or equal to
&&Boolean and
||Boolean or

### Functions

FunctionDescription
NOT(expression)Boolean negation, 1 (means true) if the expression is not zero
IF(condition, value_if_true, value_if_false)Returns one value if the condition evaluates to true or the other if it evaluates to false
RANDOM()Produces a random number between 0 and 1
MIN(e1, e2, ...)Returns the smallest of the given expressions
MAX(e1, e2, ...)Returns the biggest of the given expressions
ABS(expression)Returns the absolute (non-negative) value of the expression
ROUND(expression, precision)Rounds a value to a certain number of digits, uses the current rounding mode
FLOOR(expression)Rounds the value down to the nearest integer
CEILING(expression)Rounds the value up to the nearest integer
LOG(expression)Returns the natural logarithm (base e) of an expression
LOG10(expression)Returns the common logarithm (base 10) of an expression
SQRT(expression)Returns the square root of an expression
SIN(expression)Returns the trigonometric sine of an angle (in degrees)
COS(expression)Returns the trigonometric cosine of an angle (in degrees)
TAN(expression)Returns the trigonometric tangens of an angle (in degrees)
COT(expression)Returns the trigonometric cotangens of an angle (in degrees)
ASIN(expression)Returns the angle of asin (in degrees)
ACOS(expression)Returns the angle of acos (in degrees)
ATAN(expression)Returns the angle of atan (in degrees)
ACOT(expression)Returns the angle of acot (in degrees)
ATAN2(y, x)Returns the angle of atan2 (in degrees)
SINH(expression)Returns the hyperbolic sine of a value
COSH(expression)Returns the hyperbolic cosine of a value
TANH(expression)Returns the hyperbolic tangens of a value
COTH(expression)Returns the hyperbolic cotangens of a value
SEC(expression)Returns the secant (in degrees)
CSC(expression)Returns the cosecant (in degrees)
SECH(expression)Returns the hyperbolic secant (in degrees)
CSCH(expression)Returns the hyperbolic cosecant (in degrees)
ASINH(expression)Returns the angle of hyperbolic sine (in degrees)
ACOSH(expression)Returns the angle of hyperbolic cosine (in degrees)
ATANH(expression)Returns the angle of hyperbolic tangens of a value
RAD(expression)Converts an angle measured in degrees to an approximately equivalent angle measured in radians
DEG(expression)Converts an angle measured in radians to an approximately equivalent angle measured in degrees

### Constants

ConstantDescription
eThe value of e, exact to 70 digits
PIThe value of π, exact to 100 digits
TRUEThe value one
FALSEThe value zero
NULLThe null value
Source EvalEx