The Roman numerals were first originated in Ancient Rome. They invented the Roman numerals so they could have a standard counting method, it was efficiently used in communication and trade. It remained the way to write numbers throughout Europe well through the middle ages. Starting in the fourteenth century people started to replace the roman numerals with Hindu-Arabic numerals.The
Ancient Romans also invented many surgical tools and techniques. Nurse practitioners in Ancient Rome utilized all of their tools and also invented some of their own. They also figured out a way to keep the soldiers from bleeding out on the battlefield, which save thousands of lives. They also always made sure to dip their tool in hot water to sanitize them.