No. pi was known long before.
No, he did not. Algebra was around long before he was.
No. Pythagoras came up with the Pythagorean Theorem and Golden Ratio, though.
by Indians what do you mean... and no the sumerians did Actually it originated in India by Indian mathematicians. search decimal in wikipedia. it tells about it
Mohammed ibn-Musa al-Khwarizmi is who invented algebra,and also algebra has a Arabic root which means something like [breaking a thing and then assembling it correctly again] ,
Free hand drawing, by definition, means drawing without aids or tools
what did Obama invent
they invent cheese
He didn't invent it. He didn't invent anything.
Why did Ian Donald Invent The ultrasound machine and why did he invent it
Roberts helped to invent the microwave, but did not invent it by himself.
you can invent if you really want you can invent by things that are not expensive..right?
because it was fun to invent
a bail
No, but they did invent paper!
They didn't invent it; it was always there.
they didnt invent anything