What the Numbers Mean. Many of the terms you see on labels or supplement web sites can help you understand how much of the vitamin or mineral you should take. The RDA (Recommended Dietary Allowance) and the AI (Adequate Intake) are the amounts of a vitamin or mineral you need to keep healthy and stay well-nourished.
Unless you have a Bosendorfer piano-then you have up to 97 Notes. ~If you have come here to find a key to unlock your piano please visit our online shop piano Keys and Locks department. For more information on piano keys and piano compass or visit our Piano Discussion Forums.
The modern standard piano has 88 keys. Different from your average piano... There is also type of piano called a Cottage piano which is missing the top and bottom octave of a normal sized 88 key keyboard and hence has 64 keys. There are many other styles of piano with varying numbers of keys. There are two BÃ¶sendorfer pianos that have more than 88 keys: the 7'4 BÃ¶sendorfer 225 has 92 keys, and the 9'6 BÃ¶sendorfer 290 has 97 keys.