"calculated by first summing the charges per slice and then integrating",
"twice of this charge distribution. Periodic boundaries are not taken",
"into account. Reference of potential is taken to be the left side of",
- "the box. It's also possible to calculate the potential in spherical",
+ "the box. It is also possible to calculate the potential in spherical",
"coordinates as function of r by calculating a charge distribution in",
"spherical slices and twice integrating them. epsilon_r is taken as 1,",
- "2 is more appropriate in many cases."
+ "but 2 is more appropriate in many cases."
};
output_env_t oenv;
static int axis = 2; /* normal to memb. default z */