How do you write a lowercase letter and what is a lowercase letter in l?

Why is the handwritten lowercase l with a hook, and the printed one without a hook, making the three words 1, l, and i stupid and unclear.

The lowercase letter is i.

This I word should be written from the bottom to the top, first write the following vertical, this vertical is written from top to bottom, after writing the vertical, and then write the above point, learn the writing of pinyin, be sure to practice writing in accordance with the correct method, write the order of pinyin to remember, more practice, pinyin will be more and more smooth to write, the word will be written beautifully.

Alphabet stroke order:

According to the different stroke order, it is divided into three categories, which can be completed in one stroke: C, G, J, L, O, S, V, W, Z, etc.; Two strokes can be completed: f, i, j, p, t, x, etc.; Three strokes can be completed: a, e, f, h, i, n, etc.

According to the different stroke order of the 26 English upper and lower case letters, we can divide the 26 English upper and lower case letters into three categories: the first category is: English letters that can be completed with a single stroke.

There are 9 capital letters: c, g, j, l, o, s, v, w, z. There are 20 lowercase letters, which are:

a、b、c、d、e、g、h、k、l、m、n、o、q、r、s、u、v、w、y、z。

The second category is: two strokes of the English alphabet that can be completed. There are 11 capital letters, which are:

b、d、k、m、p、q、r、t、u、x、y。There are 6 lowercase letters, namely: f, i, j, p, t, x.

The third category is: the English alphabet that can be completed in three strokes. There are 6 capital letters, which are:

a、e、f、h、i、n。

Hard pen calligraphy English 26 letters, handwriting, upper and lower case (line book).

If there are 26 letters in English, L is in uppercase form, and lowercase is in the form of L, and you can switch between the uppercase and lowercase keyboard form on the keyboard by yourself.

l is an uppercase letter, and l is a lowercase letter.

It's a mathematical symbol read: Lambda.

This is Hiragana in Japanese.

A unit symbol is a lettered representation of a unit of physical quantity. For example, the unit of length "meter" is represented by the letter "m", which is the unit symbol. All unit symbols are corrected.

This is clear and well known in the norms. However, some of these unit symbols should be uppercase, while others should be lowercase. Such as:

The length unit symbol m should be lowercase; The unit symbol n of force should be uppercase and kg should be lowercase; In the unit of pressure, pressure, and stress Pa, p should be uppercase, and A should be lowercase; M in the SI multiple unit MPA is uppercase, while K in the same SI multiple unit KN should be lowercase; In energy, work, and Si multiples of the unit EV, E is lowercase, V is uppercase, and so on. These problems are not paid much attention to by the author when he writes, and when he is processing. Many magazines and books have similar errors.