( ( ( ( Paul ( Peters 's ) ) freeware ) ( -LRB- ( ( PPC only ) -RRB- ) ) ) ( ( Franklin ( ( ( ( 1.0.1 plots ) ( electric ( field lines ) ) ) and ) ( ( equipotential surfaces ) ( around ( point charges ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NP (NNP Paul) (NNP Peters) (POS 's)) (NN freeware)) (PRN (-LRB- -LRB-) (S (VP (VB PPC) (ADVP (RB only)))) (-RRB- -RRB-))) (VP (VBZ Franklin) (NP (NP (NP (CD 1.0.1) (NNS plots)) (NP (JJ electric) (NN field) (NNS lines))) (CC and) (NP (NP (JJ equipotential) (NNS surfaces)) (PP (IN around) (NP (NN point) (NNS charges)))))) (. .)))
Paul Peters's freeware (PPC only) Franklin 1.0.1 plots electric field lines and equipotential surfaces around point charges.
(ROOT (S (SBAR (IN Since) (S (NP (DT the) (JJ electric) (NN field) (NNS lines)) (VP (VBP point) (ADVP (RB radially)) (ADVP (RB away) (PP (IN from) (NP (DT the) (NN charge))))))) (, ,) (NP (PRP they)) (VP (VBP are) (ADJP (JJ perpendicular) (S (VP (TO to) (VP (VB equipotential) (NP (NNS lines))))))) (. .)))