1 The hypothalamus, pituitary gland, and the gonads (ovaries, testicles) operate in a feedback loop, producing and maintaining the levels of sex hormones (androgens and estrogens) that are mainly responsible for the primary and secondary changes of puberty.
Calculation: Here is the formula for FIP: FIP = ((13*HR)+(3*(BB+HBP))-(2*K))/IP + constant. The constant is solely to bring FIP onto an ERA scale and is generally around 3.10. You can find historical FIP constant values here, or you can derive the constant yourself.
Knowing how your Social Security benefits are calculated is critical. Calculating these benefits can be complicated, but it's certainly doable. The first step is to determine whether you are even entitled to retirement benefits in the first place. To be fully insured, you must have accrued a certain number of credits.