An APL and BQN font extending APL386 by
Adám Brudzewsky, which is based on APL385 by Adrian Smith.
This font keeps regular APL characters mostly intact (with an exception being making ○-based charcters larger):
⎕⍞∆⍙ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_
^⌹⍳⍴!%*+,-<=>?|~⊢⊣⌷≤≥≠∨∧÷×∊↑↓○⌈⌊⊂⊃∩∪⊥⊤⍱⍲⍒⍋⍉⌽⊖⍟⍕⍎⍪≡≢⍷⍸⊆⊇⍧⍮√ϼ…
¨⍨⌸⍁⍩ᑈᐵ⌶/\& .@∘⌺⍫⍣⍢⍤⍛⍡⍥⍠ 0123456789¯∞ ⍬#⍺⍵⍶⍹∇{}:⋄←→
Example of BQN characters:
+-×÷⋆√⌊⌈∧∨¬|=≠≤<>≥≡≢⊣⊢⥊∾≍⋈↑↓↕⌽⍉/⍋⍒⊏⊑⊐⊒∊⍷⊔
`˜˘¨⁼⌜´˝˙ ·• ∘⊸⟜○⌾⎉⚇⍟⊘◶⎊
π‿∞‿@↩←⇐→,⋄ 𝕨𝕩𝔽𝔾𝕎𝕏𝕗𝕘𝕊𝕤ℝ𝕣⟨⟩
Try it:
All characters: