what is name and uses of following symbols
_
•
°
`
¢
α
β
Δ
~
§
¦
Π
¤
Φ
#end
plz no spam & write the uses of the symbols
30 points
Answers
Answer:
_ underscore
° degree
` inverted apostrophe
that a is alpha
that B kind of thing is beta
that triangle means delta
~ means equivalent
¢ is currency sign of any country
that s kind of thing is sigma
π is pi that mid cut circle is theta
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~ Tilde.
` Acute, back quote, grave, grave accent, left quote, open quote, or a push.
! Exclamation mark, exclamation point, or bang.
@ Ampersat, arobase, asperand, at, or at symbol.
# Octothorpe, number, pound, sharp, or hash.
£ Pound Sterling or Pound symbol.
€ Euro.
$ Dollar sign or generic currency.
¢ Cent sign.
¥ Chinese/Japenese Yuan.
§ Micro or section.
% Percent.
° Degree.
^ Caret or circumflex.
& Ampersand, epershand, or and symbol.
* Asterisk, mathematical multiplication symbol, and sometimes referred to as star.
( Open or left parenthesis.
) Close or right parenthesis.
- Hyphen, minus, or dash.
_ Underscore.
+ Plus.
= Equal.
{ Open brace, squiggly brackets, or curly bracket.
} Close brace, squiggly brackets, or curly bracket.
[ Open bracket.
] Closed bracket.
| Pipe, or, or vertical bar.
\ Backslash or reverse solidus.
/ Forward slash, solidus, virgule, whack, and mathematical division symbol.
: Colon.
; Semicolon.
" Quote, quotation mark, or inverted commas.
' Apostrophe or single quote.
< Less than or angle brackets.
> Greater than or angle brackets.
, Comma.
. Period, dot or full stop.
? Question marBasic math symbols
Symbol Symbol Name Meaning / definition
= equals sign equality
≠ not equal sign inequality
≈ approximately equal approximation
> strict inequality greater than
< strict inequality less than
≥ inequality greater than or equal to
≤ inequality less than or equal to
( ) parentheses calculate expression inside first
[ ] brackets calculate expression inside first
+ plus sign addition
− minus sign subtraction
± plus - minus both plus and minus operations
± minus - plus both minus and plus operations
* asterisk multiplication
× times sign multiplication
⋅ multiplication dot multiplication
÷ division sign / obelus division
/ division slash division
— horizontal line division / fraction
mod modulo remainder calculation
. period decimal point, decimal separator
ab power exponent
a^b caret exponent
√a square root
√a ⋅ √a = a
3√a cube root 3√a ⋅ 3√a ⋅ 3√a = a
4√a fourth root 4√a ⋅ 4√a ⋅ 4√a ⋅ 4√a = a
n√a n-th root (radical)
% percent 1% = 1/100
‰ per-mille 1‰ = 1/1000 = 0.1%
ppm per-million 1ppm = 1/1000000
ppb per-billion 1ppb = 1/1000000000
ppt per-trillion 1ppt = 10-12Symbol Symbol Name Meaning / definition
∠ angle formed by two rays
measured angle
spherical angle
∟ right angle = 90°
° degree 1 turn = 360°
deg degree 1 turn = 360deg
′ prime arcminute, 1° = 60′
″ double prime arcsecond, 1′ = 60″
line infinite line
AB line segment line from point A to point B
ray line that start from point A
arc arc from point A to point B
⊥ perpendicular perpendicular lines (90° angle)
∥ parallel parallel lines
≅ congruent to equivalence of geometric shapes and size
~ similarity same shapes, not same size
Δ triangle triangle shape
|x-y| distance distance between points x and y
π pi constant π = 3.141592654...
is the ratio between the circumference and diameter of a circle
rad radians radians angle unit
c radians radians angle unit
grad gradians / gons grads angle unit
g gradians / gons grads angle unit
Algebra symbols
Symbol Symbol Name Meaning / definition
x x variable unknown value to find
≡ equivalence identical to
≜ equal by definition equal by definition
:= equal by definition equal by definition
~ approximately equal weak approximation
≈ approximately equal approximation
∝ proportional to proportional to
∞ lemniscate infinity symbol
≪ much less than much less than
≫ much greater than much greater than
( ) parentheses calculate expression inside first
[ ] brackets calculate expression inside first
{ } braces set
⌊x⌋ floor brackets rounds number to lower integer
⌈x⌉ ceiling brackets rounds number to upper integer
x! exclamation mark factorial
| x | single vertical bar absolute value
f (x) function of x maps values of x to f(x)
(f ∘ g) function composition (f ∘ g) (x) = f (g(x))
(a,b) open interval (a,b) = {x | a < x < b}
[a,b] closed interval [a,b] = {x | a ≤ x ≤ b}
∆ delta change / difference
∆ discriminant Δ = b2 - 4ac
∑ sigma summation - sum of all values in range of series
∑∑ sigma double summation
∏ capital pi product - product of all values in range of series
e e constant / Euler's number e = 2.718281828...
γ Euler-Mascheroni constant γ = 0.5772156649...
φ golden ratio golden ratio constant
π pi constant π = 3.141592654...
is the ratio between the circumference and diameter of a circle
Linear Algebra Symbols
Symbol Symbol Name Meaning / definition
· dot scalar product
× cross vector product
A⊗B tensor product tensor product of A and B
\langle x,y \rangle inner product
[ ] brackets matrix of numbers
( ) parentheses matrix of numbers
| A | determinant determinant of matrix A
det(A) determinant determinant of matrix A
|| x || double vertical bars norm
AT transpose matrix transpose
A† Hermitian matrix matrix conjugate transpose
A* Hermitian matrix matrix conjugate transpose
A -1 inverse matrix A A-1 = I
rank(A) matrix rank rank of matrix A
dim(U) dimension dimension of matrix A
