The horizontal fraction bar was introduced by the Arabs.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
Did you know?
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
Did you know?
Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.
Did you know?
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Oxidation of Fe-bearing minerals gives rocks, soils rusty color.
How to choose the right payment plan with changing conditions (Question 2)