(All Solution Finder)

- python-like syntax
- x: input vector (x[0] ... x[n-1])
- y: output vector (y[0] ... y[n-1])
- solve systems of equation y[0] = 0, ... , y[n-1] = 0
- numeric constants pi, e, ln2 can be used
- double quoted decimal string is converted to the interval including the value represented by the string