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.
FICOÂ® Scores are calculated based on these five categories of information from the consumerâs credit report: 1  35% of your score is based on payment history. 2  30% is based on amounts you owe. 3  15% comes from the length of your credit history.  10% represents new lines of credit 1  opened. 10% is based on types of credit  1.