This inscription, written in Old Khmer, reads “The Caka era reached year 605 on the fifth day of the waning moon.” The dot (at right) is now recognized as the oldest known version of our zero.

Museum experts are exploring how to bring the science dioramas of yore into the 21st century, while ensuring scientific accuracy and acknowledging past ...

Any letter or number to the power of zero is equal to 1. This can be seen in the example of \(j^2 \div j^2\). Subtract the powers, so \(j^2 \div j^2 = j^{2 - 2} = j^0\). Any number or letter ...