Scientific Calculator

__Methods__

**abs**: Returns absolute value of x.

**acos**: Returns arc cosine of x in radians.

**asin**: Returns arc sine of x in radians.

**atan**: Returns arc tan of x in radians.

**ceil**: Returns the smallest integer greater than or equal to x. (round up).

**cos**: Returns cosine of x, where x is in radians.

**exp**: Returns ex

**floor**: Returns the largest integer less than or equal to x. (round down)

**Pi**: Ratio of the circumference of a circle to its diameter, approximately 3.14

**E** : Euler's constant and the base of natural logarithms, approximately 2.718.

**log**: Returns the natural logarithm (base E) of x.

**rand**: Returns a pseudorandom number between 0 and 1. Example(s).

**=>**: Rounds x up or down to the nearest integer. It rounds .5 up. Example(s).

**sin**: Returns the Sin of x, where x is in radians.

**sq**: Returns x to the second power.

**sqrt**: Returns the square root of x.

**tan**: Returns the Tan of x, where x is in radians.

**Cube**: Returns x to the third power.

**4th**: Returns x to the fourth power.

**5th**: Returns x to the fifth power.

__Mathematical Constants__

**LN2** : Natural logarithm of 2, approximately 0.693.

**LN10** : Natural logarithm of 10, approximately 2.302.

**LOG2E** : Base 2 logarithm of E, approximately 1.442.

**LOG10E** : Base 10 logarithm of E, approximately 0.434.

**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.