Was equal temperament caused by the invention of the piano, or was it inevitable?

1. Does a piano use equal temperament?
2. Why was equal temperament created?
3. Are pianos true temperament?
4. When did equal temperament become standard?

Does a piano use equal temperament?

Pianos today are tuned in "equal temperament," which means that each note is the same distance in pitch from its neighbours.

Why was equal temperament created?

Because it enables keyboard instruments to play in all keys with minimal flaws in intonation, equal temperament replaced earlier tuning systems that were based on acoustically pure intervals, that is, intervals that occur naturally in the overtone series.

Are pianos true temperament?

Did you know Pianos are intentionally tuned “out of tune”? Yes it's true. Modern Pianos are all tuned using a system called “Equal Temperament”. In fact, you can't use your ear to tune a Piano in equal temperament because our ears don't hear notes in this manner.

When did equal temperament become standard?

Meantone temperament became the standard for a time, but music started to become more an more complex, and composers wanted to modulate to other keys, and introduce accidentals. Because of this, in approximately 1750, equal temperament became the standard.