Absolute value

Arccosine

Test whether all of the values in a list are true

Logical conjunction

Merge an arbitrary number of lists

If lst is (x1 x2 x3 ...), returns the function call (fn x1 x2 x3 ...)

Arcsine

Lookup a value in an association list

Arctangent

Arctangent (quotient version)

Coerce an object to a boolean

Sample from the beta distribution B(a,b). Returns only the first element.

Convert a boolean to a number

Get everything except the last item in a list

Ceiling of a number

compose functions: ((o f g) a) == (f (g a))

Print arguments to Javascript console

Cosine

curry function: (f::a)::b -> f::a,b

difference of sets

Sample from the Dirichlet distribution Dir(alpha).

Divide numbers. Returns x / (y1 * y2 * ... )

Stochastic memoization using the Dirichlet Process

Drop the first n items from a list. If there are fewer than n items in the list, return the empty list.

Do enumeration query on a model

Test whether all (numeric) arguments are equal

Type-strict and reference-based equality check (e.g., (eq? '(1 2) '(1 2)) returns #f)

Less strict and value-based equality check (e.g., (equal? '(1 2) '(1 2)) returns #f)

Evaluate a list representing a Church s-expression, e.g., (eval (list + 1 2)) returns 3

Exponential

Sample from the exponential distribution with parameter rate

Compute x raised to the power y

Get the fifth item of a list

Select subset of elements of a list that satisfy a predicate pred

Get the first item of a list (or pair)

Flip a weighted coin. Returns true or false

Floor of a number

Accumulate the result of applying a function to a list

Accumulate the result of applying a function to a list left to right

Accumulate the result of applying a function to a list right to left

Apply a function to every member of a list, but don't return anything

Get the fourth item of a list

Sample from the gamma distribution G(a,b)

Sample from the Gaussian distribution N(mu, sigma)

A default gensym (prefix is g)

Test whether x is greater than or equal to all y's

Test whether x is greater than all y's

The Identity function

intersection of sets

Create list based on arithmetic progressions

Trigger the javascript debugger

Get the last item in a list

Get the length of a list

Test whether x is less than or equal to all y's

Test whether x is less than all y's

List constructor

Get the nth item of a list (1-indexed)

Get the nth item of a list (0-indexed)

Test whether x is a list

Load a remote url

Natural logarithm

Returns a gensym, which is a function that returns a new string value every time you call it (i.e., you're guaranteed to never get the same return value twice). You can specify an optional prefix for these values (default is 'g')

Make a list of length n where all elements are x

Apply a function to every element of a list

Maximum of arguments

Mean of a list

Test whether x is in a list according to some optional comparator function cmp

Minimum of arguments

Subtract numbers

Modulo. Returns x mod y

Multiply numbers

Sample an element from lst with the probability specified in probs

Test whether none of the values in a list are true

Logical negation

Remove duplicates with equality as ===

Test whether x is null

Convert a number to a boolean

Convert a number to a string

Logical disjunction

Pair constructor

Test whether x is a pair

Partition elements of a list into those that satisfy a predicate and those that don't

Add numbers

Multiply a list of numbers

Test whether greater than or equal to applies transitively

Test whether greater applies transitively

Test whether less than or equal to applies transitively

Test whether less than applies transitively

Create list based on a range

Split a string into a list of substrings based on a separator

Repeat a function n times

Get everything after the first item in a pair or list

Reverse a list

Round a number

apply a thunk

Takes a list of weights and samples an index between 0 and (number of weights - 1) with probability proportional to the weights.

Get the second item of a list

Seed a seed for the PRNG

Get the seventh item of a list

Sine

Get the sixth item of a list

Check whether y is in the interval [x - tol, x + tol]

Test whether some of the values in a list are true

Sort a list according to a comparator function cmp(a,b) that returns a number greater than 0 if a > b, 0 if a == b, and a number less than 0 if a < b

Square root

Convert a string to a number

Convert a string to a symbol

Concatenates the given strings

Append an arbitrary number of strings

Get the length of string

Extract a substring from a string

Convert an object to a string

Sum a list of numbers

Get the first n items in a list. If there are fewer than n items in the list, returns just the list.

Tangent

Get the third item of a list

Transpose list of lists

uncurry function: f::a,b -> (f::a)::b

Sample a random real uniformly from the interval [a,b]

Uniformly sample an element from a list

union of sets

Get the unique items in a list

Population variance

Zip together lists using longest list as base -- is invertable

Zip together lists using shortest list as base -- not invertable as it truncates