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<h2>Examples From Rosetta Code</h2>
<h3>100 Doors</h3>
<pre><code>
swch ← ≠´{100⥊1«𝕩⥊0}¨1+↕100
¯1↓∾{𝕩∾@+10}¨•Fmt¨⟨swch,/swch⟩
</code></pre>
<h3>Archimedean Spiral</h3>
<pre><code>
{(•math.Sin •Plot○(⊢×↕∘≠) •math.Cos) -(2×π) × 𝕩⥊(↕÷-⟜1)100}
</code></pre>
<h3>Damm Algorithm</h3>
<pre><code>
table ← >⟨ 0‿3‿1‿7‿5‿9‿8‿6‿4‿2
7‿0‿9‿2‿1‿5‿4‿8‿6‿3
4‿2‿0‿6‿8‿7‿1‿3‿5‿9
1‿7‿5‿0‿9‿8‿3‿4‿2‿6
6‿1‿2‿3‿0‿4‿5‿9‿7‿8
3‿6‿7‿4‿2‿0‿9‿5‿8‿1
5‿8‿6‿9‿7‿2‿0‿1‿3‿4
8‿9‿4‿5‿3‿6‿2‿0‿1‿7
9‿4‿3‿8‿6‿1‿7‿2‿0‿5
2‿5‿8‿1‿4‿3‿6‿7‿9‿0 ⟩
Digits ← 10{⌽𝕗|⌊∘÷⟜𝕗⍟(↕1+·⌊𝕗⋆⁼1⌈⊢)}
Damm ← {0=0(table⊑˜⋈)˜´⌽Digits 𝕩}
Damm¨5724‿5727‿112946
</code></pre>
<h3>Knuth/Fisher-Yates Shuffle</h3>
<pre><code>
Knuth ← {
𝕊 arr:
l ← ≠arr
{
arr ↩ ⌽⌾(⟨•rand.Range l, 𝕩⟩⊸⊏)arr
}¨↕l
arr
}
P ← •Show Knuth
P ⟨⟩
P ⟨10⟩
P ⟨10, 20⟩
P ⟨10, 20, 30⟩
</code></pre>
<h2>Comments</h2>
<pre><code>#!/usr/bin/env bqn
# Full Line Comment
'#' # The preceding should not be a comment.
"BQN is #1" # The preceding should not be a comment.
1 + 1 # Comment at End of Line.
</code></pre>
<h2>Literals</h2>
<pre><code>
"String Literal"
'c'
"""There is a double quote at the start of this string."
"'c'"
# "Comment, not String"
"String, # Not Comment"
@
</code></pre>
<h2>Tokens</h2>
<h3>Primitive Functions</h3>
<pre><code>
+-×÷⋆√⌊⌈|¬∧∨<>≠=≤≥≡≢⊣⊢⥊∾≍⋈↑↓↕«»⌽⍉/⍋⍒⊏⊑⊐⊒∊⍷⊔!
</code></pre>
<h3>1-Operators</h3>
<pre><code>
˙˜˘¨⌜⁼´˝`
</code></pre>
<h3>2-Operators</h3>
<pre><code>
∘○⊸⟜⌾⊘◶⎉⚇⍟⎊
</code></pre>
<h3>Special Names</h3>
<pre><code>
𝕨𝕩𝕗𝕘𝕤𝕎𝕏𝔽𝔾𝕊𝕣_𝕣
_𝕣_
</code></pre>
<h3>Punctuation</h3>
<pre><code>
←⇐↩(){}⟨⟩[]‿·⋄,.;:?
</code></pre>
<h2>Words</h2>
<h3>Numbers</h3>
<pre><code>
1464
3.14159
¯2
∞
π
¯∞
2.8e¯4
1.618E2
</code></pre>
<h3>Names</h3>
<pre><code>
VariableName
ThereAre4Symbols_¯∞πAllowedInNames
</code></pre>
<h2>Namespaces</h2>
<pre><code>
example.b
{n⇐7}.n
</code></pre>
<h2>System Functions</h2>
<pre><code>
•Function
•function
•_function_
@•Function@
+•Function+
˙•Function˙
∘•Function∘
𝕨•Function𝕩
←•Function?
•Function_.¯∞πCanHaveSymbols
•0.0.0.0
</code></pre>
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