برخی از توابع از پیش تعریف شده در متمتیکا
Here is a list of some useful (and obviously defined) mathematical functions:
Name Description
Sqrt[x] square root of x
Exp[x] exponential $e^x$
Log[x natural logarithm of x (i.e. base e)
Log[b,x] logarithm of x base b
Factorial[n] factorial of n
Sin[x] trigonometric functions, with the arguments in radians!
Cos[x]
Tan[x]
ArcSin[x] inverse trigonometric functions
ArcCos[x]
ArcTan[x]
Sinh[x] hyperbolic trigonometric functions
Cosh[x]
Tanh[x]
ArcSinh[x] inverse hyperbolic trigonometric functions
ArcCosh[x]
ArcTanh[x]
Abs[z] absolute value of x (even when z is a complex number)
Re[z] real part
Im[z] imaginary part
Arg[z] argument of x (normally used when z is a complex number)
Conjugate[z] complex conjugate of z
Round[x] closest integer to x
IntegerPart[x] integer part of x
Mod[k, x] k modulo n, i.e. the remainder of
k when its divided by n
