Expression	Result (default format)	Note
2*(4+3)	14	parenthesis OK
PI	3.141592653589793	see below, case sensitive!!!!!
cos(2*PI)	1	see below for more trig functions (always radians)
a=3;a*a*2	18	variables OK, use semicolons between statements
pow(2,8)	256	raises 2 to the 8th power

	All case sensitive
	All trig functions use and yield radians

 

 

Constants	Meaning
E	Euler’s constant and the base of natural logarithms, approximately 2.718.
LN10	Natural logarithm of 10, approximately 2.302.
LN2	Natural logarithm of 2, approximately 0.693.
LOG10E	Base 10 logarithm of E (approximately 0.434).
LOG2E	Base 2 logarithm of E (approximately 1.442).
PI	Ratio of the circumference of a circle to its diameter, approximately 3.14159.
SQRT1_2	Square root of 1/2; equivalently, 1 over the square root of 2,approximately 0.707.
SQRT2	Square root of 2, approximately 1.414.
Functions	Meaning
abs	Returns the absolute value of a number.
acos	Returns the arccosine (in radians) of a number.
asin	Returns the arcsine (in radians) of a number.
atan	Returns the arctangent (in radians) of a number.
atan2	Returns the arctangent of the quotient of its arguments.
ceil	Returns the smallest integer greater than or equal to a number.
cos	Returns the cosine of a number.
exp	Returns E number , where number is the argument, and E is Euler’sconstant, the base of the natural logarithms.
floor	Returns the largest integer less than or equal to a number.
log	Returns the natural logarithm (base E) of a number.
max	Returns the greater of two numbers.
min	Returns the lesser of two numbers.
pow	Returns base to the exponent power, that is, base exponent
random()	Returns a pseudo-random number between 0 and 1.
round	Returns the value of a number rounded to the nearest integer.
sin	Returns the sine of a number.
sqrt	Returns the square root of a number.
tan	Returns the tangent of a number.