Most devices use three line segments, but devices made by some Japanese companies such as Sharp and Casio, as well as in the Koreas and Taiwan, 7 is written with four line segments because in …

On the seven-segment displays of pocket calculators and digital watches, 7 is the number with the most common glyph variation (0, 6 and 9 also have variant glyphs). Most calculators use three line …

Counting from 1, the eighth note up the scale is the exceedingly harmonious octave, which is how the name arose. The number 7 is often considered lucky, and it has a definite mystique, perhaps …

See the number 7 with objects that sometimes come to life for a fun surprise! This early math video works great as a "Number of the Day" lesson or as an exciting early math activity for preschool...

Dec 19, 2025 · A West Arabic numeral, ultimately from Indic numerals (compare Devanagari ७ (7)). See 7 § Evolution of the Arabic digit for more.

Study the symbolism of the number seven. Learn what the number 7 means spiritually, review its meaning in the Bible, and explore its significance in various fields.

Noun 1. 7 - the cardinal number that is the sum of six and one heptad, septenary, septet, seven, sevener, VII digit, figure - one of the elements that...