SV = PVNV(0x2c8ef8c) at 0x23b4958
  REFCNT = 1
  FLAGS = (PADBUSY,PADMY,NOK,POK,pNOK,pPOK)
  IV = 4256
  NV = 4253.95
  PV = 0x2d179a4 "4253.95"\0
  CUR = 7
  LEN = 35
SV = PVNV(0x2c8ef44) at 0x23b4928
  REFCNT = 1
  FLAGS = (PADBUSY,PADMY,NOK,pIOK,pNOK)
  IV = 0
  NV = 0.9
  PV = 0
SV = PVNV(0x2c8efa4) at 0x23b4988
  REFCNT = 1
  FLAGS = (PADBUSY,PADMY,NOK,POK,pNOK,pPOK)
  IV = 4309
  NV = 4254.84999999999
  PV = 0x2d17d9c "4254.84999999999"\0
  CUR = 16
  LEN = 35
Went bad here: (4253.95 + 0.9 = 4254.84999999999)


New values
SV = PVNV(0x2c8ef8c) at 0x23b4958
  REFCNT = 1
  FLAGS = (PADBUSY,PADMY,NOK,pNOK)
  IV = 4256
  NV = 4253.95
  PV = 0x2d179a4 "4253.95"\0
  CUR = 7
  LEN = 35
SV = PVNV(0x2c8ef44) at 0x23b4928
  REFCNT = 1
  FLAGS = (PADBUSY,PADMY,NOK,pIOK,pNOK)
  IV = 0
  NV = 0.9
  PV = 0x2dfa064 "0.9"\0
  CUR = 3
  LEN = 35
SV = PVNV(0x2c8efa4) at 0x23b4988
  REFCNT = 1
  FLAGS = (PADBUSY,PADMY,NOK,pNOK)
  IV = 4309
  NV = 4254.85
  PV = 0x2d17d9c "4254.84999999999"\0
  CUR = 16
  LEN = 35
Correct output: (4253.95 + 0.9 = 4254.85)