Math class

Math class contains the exponential, logarithm, square root, and trigonometric functions.

static double E: base of the natural logarithms.
static double PI: pi.

abs(double a): Returns the absolute value of a double value.
abs(float a): Returns the absolute value of a float value.
abs(int a): Returns the absolute value of an int value.
abs(long a): Returns the absolute value of a long value.
acos(double a): Returns the arc cosine of a value.
asin(double a): Returns the arc sine of a value.
atan(double a): Returns the arc tangent of a value.
atan2(double y, double x): Returns the angle theta.
cbrt(double a): Returns the cube root.
ceil(double a): Returns the smallest double value that is greater than or equal to a and is equal to an integer.
copySign(double magnitude, double s): Returns the first floating-point argument with the sign of s.
copySign(float magnitude, float s): Returns the first floating-point argument with the sign of s.
cos(double a): Returns the trigonometric cosine of an angle.
cosh(double x): Returns the hyperbolic cosine of a double value.
exp(double a): Raise to the power of a double value.
expm1(double x): Returns ex -1.
floor(double a): Returns the largest double value that is less than or equal to the argument and is equal to an integer.
getExponent(double d): Returns the exponent for a double.
getExponent(float f): Returns the exponent for a float.
hypot(double x, double y): Returns sqrt(x2 +y2) .
IEEEremainder(double f1, double f2): Computes the remainder operation on two arguments by the IEEE 754 standard.
log(double a): Returns the natural logarithm (base e) of a double value.
log10(double a): Returns the base 10 logarithm of a double value.
log1p(double x): Returns the natural logarithm of the sum of the argument and 1.
max(double a, double b): Returns the greater of two double values.
max(float a, float b): Returns the greater of two float values.
max(int a, int b): Returns the greater of two int values.
max(long a, long b): Returns the greater of two long values.
min(double a, double b): Returns the smaller of two double values.
min(float a, float b): Returns the smaller of two float values.
min(int a, int b): Returns the smaller of two int values.
min(long a, long b): Returns the smaller of two long values.
nextAfter(double start, double direction): Returns the floating-point number adjacent to the first argument in the direction of the second argument.
nextAfter(float start, double direction): Returns the floating-point number adjacent to the first argument in the direction of the second argument.
nextUp(double d): Returns the floating-point value adjacent to d in the direction of positive infinity.
nextUp(float f): Returns the floating-point value adjacent to f in the direction of positive infinity.
pow(double a, double b): a raised to the power b.
random(): Returns a random double value between 0.0 and 1.0.
rint(double a): Returns the double value that is closest to a and is equal to an integer.
round(double a): Returns the closest long to a.
round(float a): Returns the closest int to a.
scalb(double d, int scaleFactor): Return d * 2<sup>scaleFactor</sup>.
scalb(float f, int scaleFactor): Return f * 2<sup>scaleFactor</sup>.
signum(double d): Returns the sign of d; zero if the argument is zero, 1.0 if the argument is greater than zero, -1.0 if the argument is less than zero.
signum(float f): Returns the signum of f; zero if the argument is zero, 1.0f if the argument is greater than zero, -1.0f if the argument is less than zero.
sin(double a): Returns the trigonometric sine of an angle.
sinh(double x): Returns the hyperbolic sine of a double value.
sqrt(double a): Returns the square root of a double value.
tan(double a): Returns the trigonometric tangent of an angle.
tanh(double x): Returns the hyperbolic tangent of a double value.
toDegrees(double angrad): Converts an angle in radians to an angle measured in degrees.
toRadians(double angdeg): Converts an angle in degrees to an angle measured in radians.
ulp(double d): Returns the size of an ulp of the argument.
ulp(float f): Returns the size of an ulp of the argument.

Revised from Open JDK source code