MB Free Biorhythm Chart Software helps you generate your daily biorhythm charts. The chart displays the three primary cycles for physical, emotional and intellectual cycles. These cycles help a person understand how his body functions according to these cycles.
The three waveforms indicate:

Physical: This cycle indicates your physical strength, vitality and health. When it is high, you are highly active and energetic. When it is in the critical phase, you may tire easily. Accidents may occur and you need to exercise caution. When this cycle is low, all your strength is drained. You may suffer from depression and exhaustion.

Emotional: This cycle tracks the stability and positive energy of your psyche and outlook on life, as well as your emotional capability to relate with and build rapport with other people. When the cycle is at a high level, you are more prone to building new relationships and increasing your creativity. When it is critical, you may be emotionally unstable and prone to suicidal tendencies. When at a low, you may be extremely low on feelings and relaxed.

Intellectual: This cycle indicates the verbal, mathematical, symbolic, and creative abilities and skills, as well as your capacity to apply reason and analysis to the world around you. At a high in the cycle, your mind is very sharp, analytically, logically and in concentration. Your creative, writing, decision making skills are at their peak. At the critical phase, you may avoid making decisions and there may be some mental indecisiveness. At the low level in the cycle, you may not be able to judge nor concentrate.