Valentine's Day is the perfect chance to sprinkle some love into learning! These fun Valentine's Day alphabet matching ...

Uppercase and lowercase letters have existed since ancient times—but the terms are much more recent. The origin of the terms ...

The origin of the terms uppercase and lowercase might seem pretty self-explanatory. Upper and lower must be references to the height of the letters, and the use of case is presumably an offshoot o ...

For example, the lower case letter l looks exactly like the numeral 1. The upper case letter O looks like the numeral 0. Since many of the symbols share similar, or even identical, physical ...