The Ruby has a Math module which contains number of methods and constants that are available for mathematical operation. The methods and constants of Math module are listed below:
| Methods | Description |
|---|
| sin() |
Returns the trigonometric sine of an angle in radians. |
| cos() |
Returns the trigonometric cosine of an angle in radians. |
| tan() |
Returns the trigonometric tangent of an angle in radians. |
| asin() |
Returns the arc sine of a value. |
| acos() |
Returns the arc cosine of a value. |
| atan() |
Returns the arc tangent of a value. |
| atan2() |
Returns the angle theta from the conversion of rectangular coordinates (x, y) to polar coordinates (r, theta). |
| Methods | Description |
|---|
| sinh() |
Returns the hyperbolic sine of a value. |
| cosh() |
Returns the hyperbolic cosine of a value. |
| tanh() |
Returns the hyperbolic tangent of a value. |
| asinh() |
Returns the inverse hyperbolic sine of a value |
| acosh() |
Returns the inverse hyperbolic cosine of a value |
| atanh() |
Returns the inverse hyperbolic tangent of a value |
| Methods | Description |
|---|
| exp() |
Returns the exponent of e. |
| log() |
Returns the natural logarithm of a given number. |
| log10() |
Returns the base-10 logarithm of a given number. |
| log2() |
Returns the base-2 (binary) logarithm of a given number. |
| Methods | Description |
|---|
| sqrt() |
Returns the square root of the given number. |
| cbrt() |
Returns the cube root of the given number. |
| hypot() |
Returns square root of sum of squares of two arguments, i.e., sqrt(x2 +y2). |
| frexp() |
Get significand and exponent. |
| ldexp() |
Generate value from significand and exponent. |
| Functions | Description |
|---|
| erf() |
Returns the error function of the argument. |
| erfc() |
Returns the complementary error function of the argument. |
| gamma() |
Returns gamma function of the argument. |
| lgamma() |
Returns log-gamma function of the argument. |
| Properties | Description |
|---|
| Math::E |
Euler's constant and the base of natural logarithms. It is approximately 2.718. |
| Math::PI |
Ratio of the a circle's circumference to its diameter. It is approximately 3.14159. |
