Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
Did you know?
The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
Did you know?
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
Berko’s Language Study
Medical Language Communication
Sample Program for Changing Daily Caloric Intake (cont.)