## Functions |
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The class supports these functions:

- abs(A)
Absolute value of A. If A is negative, returns -A otherwise returns A.

- acos(A)
Arc-cosine of A. Returns the angle whose cosine is A.

- acosh(A)
Same as acos() but for hyperbolic cosine.

- asin(A)
Arc-sine of A. Returns the angle whose sine is A.

- asinh(A)
Same as asin() but for hyperbolic sine.

- atan(A)
Arc-tangent of (A). Returns the angle whose tangent is (A).

- atan2(A,B)
Arc-tangent of A/B. The two main differences to atan() is that it will return the right angle depending on the signs of A and B (atan() can only return values betwen -pi/2 and pi/2), and that the return value of pi/2 and -pi/2 are possible.

- atanh(A)
Same as atan() but for hyperbolic tangent.

- ceil(A)
Ceiling of A. Returns the smallest integer greater than A. Rounds up to the next higher integer.

- cos(A)
Cosine of A. Returns the cosine of the angle A.

- cosh(A)
Same as cos() but for hyperbolic cosine.

- cot(A)
Cotangent of A (equivalent to 1/tan(A)).

- csc(A)
Cosecant of A (equivalent to 1/sin(A)).

- exp(A)
Exponential of A. Returns the value of e raised to the power A where e is the base of the natural logarithm, i.e. the non-repeating value approximately equal to 2.71828182846.

- floor(A)
Floor of A. Returns the largest integer less than A. Rounds down to the next lower integer.

- if(A,B,C)
If int(A) differs from 0, the return value of this function is B, else C. Only the parameter which needs to be evaluated is evaluated, the other parameter is skipped.

- int(A)
Rounds A to the closest integer. 0.5 is rounded to 1.

- log(A)
Natural (base e) logarithm of A.

- log10(A)
Base 10 logarithm of A.

- max(A,B)
If A>B, the result is A, else B.

- min(A,B)
If A<B, the result is A, else B.

- sec(A)
Secant of A (equivalent to 1/cos(A)).

- sin(A)
Sine of A. Returns the sine of the angle A.

- sinh(A)
Same as sin() but for hyperbolic sine.

- sqrt(A)
Square root of A. Returns the value whose square is A.

- tan(A)
Tangent of A. Returns the tangent of the angle A.

- tanh(A)
Same as tan() but for hyperbolic tangent.