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How to pronounce a mathematical symbol like n
"n" can represent a set of natural numbers; "∨" union; "∩" intersection.

The meaning of mathematical symbols

symbolic meaning

∞ infinity

π pi

|x| absolute value

Union

intersection

≥ greater than or equal to

≤ less than or equal to

≡ Constant is equal to or congruent with.

Ln(x) logarithm based on e

Lg(x) logarithm based on 10

Integer function on floor (x)

Integer function under ceil(x)

X mod y of remainder

X-floor(x) fractional part

∫f(x)dx indefinite integral

The definite integral of ∫[a:b]f(x)dx a to b

Application of mathematical symbols

If p is true, it is equal to 1, otherwise it is equal to 0.

∑[ 1≤k≤n]f(k) and n can be extended to many situations.

For example, ∑ [n is a prime number] [n

∑∑[ 1≤i≤j≤n]n^2

lim f(x)(x-& gt; ? ) seek the limit

M-order derivative function of f(z) f about z

C(n:m) combination number, where m is taken from n.

P(n:m) permutation number

Divisible by n

M⊥n coprime

A ∈ A a belongs to set A.

# Multiple elements in set A