The Mark I could handle 23-decimal-place numbers and perform addition, subtraction, multiplication and division.
Mark I能够处理23位小数并执行加、减、乘和除。
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.
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。
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