append |
Append lists. |
R5RS |
assoc |
Retrieve a binding from an association list. |
R5RS |
assq |
Retrieve a binding from an association list. |
R5RS |
caaaar ... cddddr |
Access elements of nested lists. |
R5RS |
caaar ... cdddr |
Access elements of nested lists. |
R5RS |
caar ... cddr |
Access elements of nested lists. |
R5RS |
count |
Recursively count the atoms of a list. |
Ext. |
depth |
Compute the depth of a list. |
Ext. |
equal? |
Compare two S-expressions. |
R5RS |
filter |
Extract members from a list that match a given predicate. |
Ext. |
head? |
Check whether an expression X is the head of an expression Y. |
Ext. |
insert |
Insert a member into an ordered list. |
Ext. |
iota |
Generate a sequence of natural numbers. |
Ext. |
isort |
Sort a list using insertion sort. |
Ext. |
iterate |
Iterate through a list. |
Core |
last |
Extract the last member of a list. |
Ext. |
length |
Compute the length of a list. |
R5RS |
list-ref |
Extract the n'th member of a list. |
R5RS |
list-tail |
Extract the tail of a list beginning at the n'th member of that list. |
R5RS |
map |
Map N lists to one using an N-ary function F. |
R5RS |
maplist |
Apply a function to each CDR of a list. |
Ext. |
member |
Check whether a list has a member that is equal to a given S-expression. |
R5RS |
memq |
Check whether a list has a member that is identical to a given symbol. |
R5RS |
not-equal? |
Compare two lists (S-expressions, in fact) with negative result. |
Ext. |
ordered? |
Check whether the members of a list are in a given monotonic order. |
Ext. |
pair |
Build an association list from two lists. |
Ext. |
quicksort |
Sort a list using the Quicksort algorithm. |
Ext. |
reduce |
Reduce a list. |
Ext. |
remove |
Remove members from lists. |
Ext. |
reverse |
Reverse the order of members of a list. |
R5RS |
sort |
Sort a list. |
Ext. |
sublist |
Substitute variables in S-expressions. |
Ext. |
subst |
Substitute X for each occurence of Y in Z. |
Ext. |
tail? |
Check if an expression X is the tail of an expression Y. |
Ext. |
unsort |
Generate some entropy by un-sorting a list of natural numbers. |
Ext. |
any? |
Verify that at least one member of a list has a given property. |
Ext. |
every? |
Verify that all members of a list have a given property. |
Ext. |
id |
Express identity. |
Core |
intersection |
Compute the intersection of two sets. |
Ext. |
logand |
Logical product (AND). |
Core |
logeqv |
Logical equivalence (EQV). |
Core |
lognand |
Logical negative product (NAND). |
Core |
logneqv |
Logical negative equivalence (XOR). |
Core |
lognor |
Logical negative sum (NOR). |
Core |
lognot |
Logical negation (NOT). |
Core |
logor |
Logical sum (OR). |
Core |
member? |
Check whether a list has a member that is equal to a given S-expression. |
Ext. |
memq? |
Check whether a list has a member that is equal to a given symbol. |
Ext. |
neq? |
Negative identity. |
Ext. |
not |
Logical negation (NOT). |
R5RS |
permute |
Generate permutations of a set. |
Ext. |
some |
Extract the tail of a list where the first member of the tail has a given property. |
Ext. |
union |
Compute the union of two sets. |
Ext. |
unique |
Transform a list into a set (a list containing only unique elements). |
Ext. |
* |
Multiply numbers. |
R5RS |
+ |
Add numbers. |
R5RS |
- |
Subtract numbers. |
R5RS |
< |
Check whether two or more numbers are in ascending order. |
R5RS |
<= |
Check whether two or more numbers are in non-ascending order. |
R5RS |
= |
Check whether two or more numbers are equal. |
R5RS |
> |
Check whether two or more numbers are in descending order. |
R5RS |
>= |
Check whether two or more numbers are in non-ascending order. |
R5RS |
abs |
Compute the absolute value of a number. |
R5RS |
digits |
Constants for representing decimal digits. |
Core |
divide |
Divide two numbers, giving a result of the form (quotient remainder). |
Core |
even? |
Test a number N for being even (N modulo 2 = 0) |
R5RS |
expt |
Compute the X raised to the power of Y. |
R5RS |
fact |
Compute X!. |
Ext. |
gcd |
Compute the greatest common divisor (GCD) of two integer numbers. |
R5RS |
integer |
Convert a natural or integer number to an integer. |
Core |
lcm |
Compute the least common multiple (LCM) of two integer numbers. |
R5RS |
list->number |
Convert a number to a list of digits. |
Core |
max |
Find the maximum of a list of numbers. |
R5RS |
min |
Find the minimum of a list of numbers. |
R5RS |
modulo |
Compute the modulo of two numbers. |
R5RS |
natural |
Convert an integer or natural number to a natural number. |
Core |
ndivide |
Divide two natural numbers, giving a result of the form (quotient remainder). |
Core |
negate |
Compute the negative value of a number. |
Core |
negative? |
Check whether a number is negative. |
R5RS |
nexpt |
Compute the X raised to the power of Y. |
Core |
n> |
Check whether two natural numbers are in descending order. |
Core |
n>= |
Check if two natural numbers are in non-ascending order. |
Core |
n< |
Check if two natural numbers are in ascending order. |
Core |
n<= |
Check whether two natural numbers are in non-descending order. |
Core |
n- |
Subtract two natural numbers. |
Core |
non-negative? |
Check whether a number is positive or zero. |
Core |
normalize |
Normalize a number by removing leading zeroes and plus signs. |
Core |
n+ |
Add two natural numbers. |
Core |
nqoutient |
Divide two natural numbers. |
Core |
nremainder |
Compute the remainder of the division of two natural numbers. |
Core |
n* |
Compute the product of two natural numbers. |
Core |
number->list |
Convert a list of digits to a number. |
Core |
odd? |
Test a number N for being odd (N modulo 2 = 1). |
R5RS |
one? |
Test a number for being one. |
Ext. |
hyper |
Compute A hyperN B. |
Ext. |
positive? |
Check whether a number is positive. |
R5RS |
pred |
Find the predecessor of a decimal digit. |
Core |
product |
Compute the product of a sequence of positive numbers. |
Ext. |
quotient |
Divide two numbers, returning their integer quotient. |
R5RS |
remainder |
Compute the remainder of the integer division of two numbers. |
R5RS |
sqrt |
Compute the square root of a natural number. |
R5RS |
succ |
Find the successor of a decimal digit. |
Core |
sum |
Compute the sum of a sequence of positive numbers. |
Ext. |
zero? |
Test a number for being zero. |
R5RS |