Biorhythm Calculator - Body Mass Index




This is a Biorhythm Calculator. Use this tool to get to know more about yourself. To use, pick a Date using our Date Picker, the date format is YYYY-MM-DD (year-month-day). Then click `Run` to know your physical, emotional, and intellectual values. If you only care about Sleep Rhythm, you can ignore this form.
Match you with your friend.
Calculate your BMI - Body Mass Index.
Relax with proverbs.

A biorhythm (from Greek ???? - bios, life and ?????? - rhuthmos, any regular recurring motion, rhythm) is an attempt to predict various aspects of a person's life through simple mathematical cycles. Most scientists believe that the idea has no more predictive power than chance and consider the concept an example of pseudoscience.

According to the theory of biorhythms, a person's life is influenced by rhythmic biological cycles that affect his or her ability in various domains, such as mental, physical and emotional activity. These cycles begin at birth and oscillate in a steady (sine wave) fashion throughout life, and by modeling them mathematically, it is suggested that a person's level of ability in each of these domains can be predicted from day to day. The theory is built on the idea that the biofeedback chemical and hormonal secretion functions within the body could show a sinusoidal behavior over time.

Most biorhythm models use three cycles a 23-day physical cycle, a 28-day emotional cycle, and a 33-day intellectual cycle. Although the 28-day cycle is the same length as the average woman's menstrual cycle and was originally described as a female cycle (see below), the two are not necessarily in any particular synchronization. Each of these cycles varies between high and low extremes sinusoidally, with days where the cycle crosses the zero line described as critical days of greater risk or uncertainty.

In addition to the three popular cycles, various other cycles have been proposed, based on linear combination of the three, or on longer or shorter rhythms.

Calculation
The equations for the cycles are

Physical sin(2? t23)
Emotional sin(2? t28)
Intellectual sin(2? t33)
Where t indicates the number of days since birth.

Basic arithmetic shows that the simpler 23- and 28-day cycles repeats every 644 days (or 1-34 years), while the triple 23-, 28-, and 33-day cycles repeats every 21,252 days (or 58.2+ years).

Features
Calculate your biorhythm based on your Date of birth.
Calculate your Sleep Rhythm.
Match you with your friend.
Calculate your Body Mass Index.
Relax with proverbs on front page.

The body mass index (BMI) or Quetelet index is a value derived from the mass (weight) and height of an individual. The BMI is defined as the body mass divided by the square of the body height, and is universally expressed in units of kg/m2, resulting from mass in kilograms and height in metres.

The BMI may also be determined using a table or chart which displays BMI as a function of mass and height using contour lines or colours for different BMI categories, and which may use other units of measurement (converted to metric units for the calculation).


 













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