The AHA's chart still USES the 220 minus age formula, but has a wider zone of 50 to 85 percent of your Max heart rate.

该协会的表中仍然沿用220减去年龄的算法，但是讲区间扩大到了最高心率的50%到85%。

youdao

Start with 180 minus your age (a) for the fat burning zone upper limit target heart rate (z).

用180减去您的年龄，得到脂肪燃烧区的上限值。

youdao

Karp does point out that the "220 minus age" formula is an estimate and can be off by 10 to 15 beats per minute.

Karp同时强调到“220减去年龄”的这个公式只是个估计值，因此它能减去10 ~ 15下每分钟。

youdao

The 100-Minus-Your-Age maxim applied when the 10-year T-bill paid out 9% or 10%, like it did in the 1980s.

FORBES: 1. Use 100-Minus-Your-Age To Find Bond Allocation

Consider: the 10-year Treasury pays about 1.9%, less than half what it paid five years ago. 100-Minus-Your-Age applied when the benchmark T-bill paid out 9% or 10%, like it did in the 1980s.

FORBES: 10 Terrible Pieces Of Retirement Advice