Mathematical symbols
Mathematical symbols
Mathematical symbols Symbol Name | Symbol | Symbol Name | Symbol |
is equal to | = | is not equal to | ≠ |
is identically equal to | ≡ | is approximately equal to | ≈ |
Approaches | → | Is proportional to | ∝ |
Is smaller than | < | Is larger than | > |
Is smaller than or equal to | ≤ | Is larger than or equal to | ≥ |
Magnitude of a | |a| | a raised to power b | ab |
square root of a | √a | nth root of a | n√a |
Mean value of a | ā | Factorial a | a! |
Sum | ∑ | Product | ∏ |
Complex operator | i, j | Real part of z | Re z |
Imaginary part of z | Im z | Modulus of z | |z| |
Argument of z | arg z | Complex conjugate of z | z* |
a multiply by b | ab,a.b, a*b | a divided by b | a/b,ab-1 |
Function of x | f(x) | Variation of x | δx |
Finite increment of x | Δx | Limit to which f(x) tends as x approaches a | limx→af(x) |
Differential coefficient of f(x) with respect to x | df/dx, f’’(x) | Indefinite integral of f(x) with respect to x | ∫f(x)dx |
Increase in value of f(x) as x increases from a to b |
b [f(x)]a
|
Definite integral of f(x) from x =a to x=b |
b a ∫f(x)dx |
Logarithm to the base 10 of x | lg x, log10x | Logarithm to the base a of x | logax |
Exponential of x | exp x, ex | Natural logarithm | ln x, logex |
Inverse sine of x | arcsinx | Inverse cosine of x | arccosx |
Inverse tangent of x | arctanx | Inverse secant of x | arcsecx |
Inverse cosecant of x | arccosecx | Inverse cotangent of x | arccotx |
Inverse hyperbolic sine of x | arsinhx | Inverse hyperbolic cosine of x | arcoshx |
Inverse hyperbolic tangent of x | artanhx | Inverse hyperbolic cosecant of x | arcosechx |
Inverse hyperbolic secant of x | arsechx | Inverse hyperbolic cotangent of x | arcothx |
Vector | A | Magnitude of vector A | |A|, A |
Scalar products of vectors A and B | A.B | Vector products of vectors A and B | A*B, A^B |