java ref math

Method

Description

Return Type

abs(x)

Returns the absolute value of x

double|float|int|long

acos(x)

Returns the arccosine of x, in radians

double

asin(x)

Returns the arcsine of x, in radians

double

atan(x)

Returns the arctangent of x as a numeric value between -PI/2 and PI/2 radians

double

atan2(y,x)

Returns the angle theta from the conversion of rectangular coordinates (x, y) to polar coordinates (r, theta).

double

cbrt(x)

Returns the cube root of x

double

ceil(x)

Returns the value of x rounded up to its nearest integer

double

copySign(x, y)

Returns the first floating point x with the sign of the second floating point y

double

cos(x)

Returns the cosine of x (x is in radians)

double

cosh(x)

Returns the hyperbolic cosine of a double value

double

exp(x)

Returns the value of Ex

double

expm1(x)

Returns ex -1

double

floor(x)

Returns the value of x rounded down to its nearest integer

double

getExponent(x)

Returns the unbiased exponent used in x

int

hypot(x, y)

Returns sqrt(x2 +y2) without intermediate overflow or underflow

double

IEEEremainder(x, y)

Computes the remainder operation on x and y as prescribed by the IEEE 754 standard

double

log(x)

Returns the natural logarithm (base E) of x

double

log10(x)

Returns the base 10 logarithm of x

double

log1p(x)

Returns the natural logarithm (base E) of the sum of x and 1

double

max(x, y)

Returns the number with the highest value

double|float|int|long

min(x, y)

Returns the number with the lowest value

double|float|int|long

nextAfter(x, y)

Returns the floating point number adjacent to x in the direction of y

double|float

nextUp(x)

Returns the floating point value adjacent to x in the direction of positive infinity

double|float

pow(x, y)

Returns the value of x to the power of y

double

random()

Returns a random number between 0 and 1

double

round(x)

Returns the value of x rounded to its nearest integer

int

rint()

Returns the double value that is closest to x and equal to a mathematical integer

double

signum(x)

Returns the sign of x

double

sin(x)

Returns the sine of x (x is in radians)

double

sinh(x)

Returns the hyperbolic sine of a double value

double

sqrt(x)

Returns the square root of x

double

tan(x)

Returns the tangent of an angle

double

tanh(x)

Returns the hyperbolic tangent of a double value

double

toDegrees(x)

Converts an angle measured in radians to an approx. equivalent angle measured in degrees

double

toRadians(x)

Converts an angle measured in degrees to an approx. angle measured in radians

double

ulp(x)

Returns the size of the unit of least precision (ulp) of x

double|float