- mult
Constructs a function that returns a * b. a is a variable, b is fixed.

- div
Constructs a function that returns a / b. a is a variable, b is fixed.

- plusMult
Constructs a function that returns a + b*constant. a and b are variables,
constant is fixed.

- chain
Constructs the function g( h(a) ).

- minus
Constructs a function that returns a - b. a is a variable, b is fixed.

- minusAbsPow
- plus
Constructs a function that returns a + b. a is a variable, b is fixed.

- pow
Constructs a function that returns Math.pow(a,b). a is a variable, b is fixed.

- max
Constructs a function that returns Math.max(a,b). a is a variable, b is fixed.

- min
Constructs a function that returns Math.min(a,b). a is a variable, b is fixed.

- minusMult
Constructs a function that returns a - b*constant. a and b are variables,
constant is fixed.

- random
Constructs a function that returns a new uniform random number in the open unit
interval (0.0,1.0)(e