* A B C D E F I J L M N P R S T
! factorial
% shorthand for last output
=. (Unset) remove definition
// postfix
/; (Condition) evaluate code conditionally
@@ (Apply) replace the head of expression
[[ ]] (Part) index into list
Abs absolute value
anonymous function (f[#]&)
Apart partial fractions decomposition
ArcCos arccos
ArcCosh inverse hyperbolic cosine
ArcCot arccot
ArcCoth inverse hyperbolic cotangent
ArcCsc arccsc
ArcCsch inverse hyperbolic cosecant
ArcSec arcsec
ArcSech inverse hyperbolic secant
ArcSin arcsin
ArcSinh inverse hyperbolic sine
ArcTan arctan
ArcTanh inverse hyperbolic tangent
Assuming impose assumptions
Blank (_) placeholder
Ceiling least integer function
ContourPlot plot level curves
Cos cosine
Cosh hyperbolic cosine
Cot cotangent
Coth hyperbolic cotangent
Csc cosecant
Csch hyperbolic cosecant
D symbolic differentiation
DSolve solve differential system symbolically
Exp natural exponential function
FindMinimum find minimum of function
FindRoot find zero of function
First first list element
Flatten flatten list
Floor greatest integer function
Integrate compute integral symbolically
InverseFunction functional inverse
Join join lists
Last last list element
Limit compute limit symbolically
Log natural logarithm
Log10 common logarithm
Map map function over list
Module block code with local variable
N arbitrary precision numerical approximation
Needs load package
Nest apply function iteratively
NestList apply function iteratively and collect intermediate results
NIntegrate numerically approximate integral
Normal convert to normal expression
NumberQ determine whether argument is a number
NumericQ determine whether argument is numeric
Pi mathematical constant $\pi$
Piecewise construct piecewise-defined function
Plot basic 2D plotting command
Plus addition
PolynomialQuotientRemainder polynomial long division
Print print string
Random generate pseudorandom numbers
ReplaceAll (/.) apply replacement rule(s) to an expression
Return exit function and return value
Sec secant
Sech hyperbolic secant
Series compute series expansion
Set (=) assignment operator
SetDelayed (:=) delayed assignment operator
Show display graphics
Sign signum function
Simplify simplify expression
Sin sine
Sinh hyperbolic sine
Solve solve algebraic system
Sum summation
Table create an ordered list
Tan tangent
Tanh hyperbolic tangent