For example, a∝b is pronounced as a proportional to b, which means that a and b are proportional.
2. fai means curve integral (closed path).
∫ pronounced "sum" is an indefinite integer symbol. Just read and do so-and-so integral. For example, ∫x dx is pronounced as the integral of X.
4. ∷ equals, as (proportion)
Special terms for mathematics. It means: equal to, proportional to.
5. Pronunciation is round
Represents the center of the circle (◎, ◎).
The way to represent a circle is to add letters to the center of the circle, such as O A.
Extended data:
Types of mathematical symbols
1, quantity symbol
Such as: me? ，a，x，e，π.
2. Operation symbols
Such as plus sign (+), minus sign (-), multiplication sign (× or), division sign (÷ or/), union of two sets (∩), intersection (∩), root sign (∩ ~), logarithm (log, lg, ln,
3. Relationship symbols
For example, "=" is an equal sign, "≈" is an approximate sign, "≦" is an unequal sign and ">" is a greater than sign. "
"⊥" is a vertical symbol, "∝" is a direct proportion symbol (reciprocal relation can be used to express inverse proportion), "∑" is a symbol, "?" Contained in the symbol "?" Does the symbol "|" in mean "divisible" (for example, a|b means "A is divisible by B", and? ||b means that R is the greatest power that A can be divisible by B), and any letter such as X and Y can represent an unknown number.
4, combined with symbols
Such as square brackets (), brackets [], braces {} and horizontal lines.
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