much 1000000 1 ≫ much greater than ≫ greater than ( ) 2 * (3+5) = 16 parentheses calculate expression inside first [ ] [(1+2)*(1+5)] = 18 brackets calculate expression inside first { } braces set floor = 4 rounds number to lower integer ⌊x⌋ ⌊4.3⌋ brackets ceiling = 5 rounds number to upper integer ⌈x⌉ ⌈4.3⌉ brackets exclamation x! 4! = 1*2*3*4 = 24 mark | single x | -5 | = 5 absolute value vertical bar | f f (x) = 3x+5 function of x maps values of x to f(x) x) (f f function ∘ (f g) (x) = f (g(x)) ∘ composition g) g)(x)=3(x-1) ⇒(f ∘ (a,b) = {x | < x < b} x∈ (2,6) open interval closed [a,b] = {x | a x b} x [2,6] ≤ ≤ ∈ interval
≫ much greater than much greater than 1000000 ≫ 1 ( ) parentheses calculate expression inside first 2 * (3+5) = 16 [ ] brackets calculate expression inside first [(1+2)*(1+5)] = 18 { } braces set ⌊x⌋ floor brackets rounds number to lower integer ⌊4.3⌋ = 4 ⌈x⌉ ceiling brackets rounds number to upper integer ⌈4.3⌉ = 5 x! exclamation mark 4! = 1*2*3*4 = 24 | x | single vertical bar absolute value | -5 | = 5 f function of x maps values of x to f(x) f (x) = 3x+5 (f ∘ g) function composition (f ∘ g) (x) = f (g(x)) f ⇒(f ∘ g)(x)=3(x-1) open interval (a,b) = {x | < x < b} x∈ (2,6) closed interval [a,b] = {x | a ≤ x ≤ b} x ∈ [2,6] x)
basic_math_symbols.docx