... signedmultiplicand带符号的被乘数 signedpackeddecimal带符号压缩十进制 signedrank符号秩 ...
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带符号压缩十进制
Signed packed decimal
以上为机器翻译结果，长、整句建议使用 人工翻译 。
阐述了带符号十进制数原码、补码位数的扩展和压缩方法，介绍了十进制补码的加法运算和减法运算。
The method of expansion and compression of the decimal numeral true form with symbol and ten's complement digit is introduced. And the addition and minus operations of ten's complement are introduced.
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