text: public OldFormulaRecord(RecordInputStream ris) :base(ris, ris.Sid == biff2_sid){;if (IsBiff2){field_4_value = ris.ReadDouble();}else{long valueLongBits = ris.ReadLong();specialCachedValue = SpecialCachedValue.Create(valueLongBits);if (specialCachedValue == null){field_4_value = BitConverter.Int64BitsToDouble(valueLongBits);}}if (IsBiff2){field_5_options = (short)ris.ReadUByte();}else{field_5_options = ris.ReadShort();}int expression_len = ris.ReadShort();int nBytesAvailable = ris.Available();field_6_Parsed_expr = Formula.Read(expression_len, ris, nBytesAvailable);}