The strokes of 1 and k are * * *, the first stroke is vertical, and then the second stroke is right oblique and left oblique (less than the symbol). The pronunciation of k is kay, and the phonetic symbol is [kei].

2. getting started with K.

(1) Latin alphabet

K is the letter 1 1 in the Latin alphabet, which comes from the semitic letter Kap, indicating an open hand. Although Latin changed to the letter C and completely abandoned the letter K, the sound value /k/ of Semitic letters has remained in many classical and modern languages. So the Roman letter K is only used to spell foreign words.

(2) Greek alphabet

As the Greek letter Kappa kappa (capital κ, lowercase κ), it is the tenth Greek letter.

Mathematically, Kappa curve is named after this letter. In physics, it is used as the torsion coefficient of vibration.

(3) English letters

The eleventh English letter. Elemental symbol of potassium; Vitamin k; The most commonly used control variable names in nested loops; In the literature, k is sometimes the abbreviation of 1000. For example, the resolution of 1K is 1000.