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  cControl 037F  (Closure=Projective  Round=nearest, Precision=64-bit   )
                           IEM=0 PM=1 UM=1 OM=1 ZM=1 DM=1 IM=1
  cStatus  6004  cond=1000 top=4 PE=0 UE=0 OE=0 ZE=1 DE=0 IE=0
  Tag     A1FF   instruction=59380  operand=59360  opcode=D9EE
  Stack          Exp  Mantissa           Value
  cST(3) special 7FFF 8000000000000000 = + Infinity
  cST(2) special 7FFF 0101010101010101 = + Not A Number
  cST(1) valid   4000 C90FDAA22168C235 = +3.141592265110390E+000
  cST(0) zero    0000 0000000000000000 = +0.000000000000000E+000
 
┌────────────── Click or press F1 on any line of the example ──────────────┐
│ Current closure method, rounding method, and precision. The number 037F  │
│ is the hexadecimal value in the control register. The rest of the line   │
│ interprets the bits of the number.                                       │
│                                                                          │
│ Closure method : Projective or affine                                    │
│ Rounding method: Nearest even, down, up, chop (truncate to zero)         │
│ Precision      : 64, 53, or 24 bits                                      │
└──────────────────────────────────────────────────────────────────────────┘
                                    -♦-