The conventional binary number system has a carrychain which often limits the efficiency of computer arithmetic.
传统的二进制计数系统具有链式进位，往往限制了计算机的运算速度。
2
The method of rules extraction and calculating process with serial carrychain based on the arbitrary division are presented.
提出了基于任意分割的规则获取方法和相应的串行进位链计算流程。
3
Based on the survey of previous works, we put forward and introduce our method of realizing precise time-to-digital converter circuits by using the dedicated carrychain of FPGA.