diff --git a/dollar.rkt b/dollar.rkt
index fd2d19342..34c76a3dc 100644
--- a/dollar.rkt
+++ b/dollar.rkt
@@ -8,6 +8,7 @@
          racket/runtime-path
          setup/collects
          "katex-convert-unicode.rkt"
+         "mathjax-convert-unicode.rkt"
          racket/list)
 
 (provide $
@@ -114,13 +115,11 @@ EOJS
 (define (load-style-string src)
   (string-append
    #<<EOJS
-(function() {
-  document.write('<link rel="stylesheet" href="
+(function() {document.write('<link rel="stylesheet" href="
 EOJS
    src
    #<<EOJS
-" />');
-})();
+" />');})();
 EOJS
    ))
 
diff --git a/katex-convert-unicode.rkt b/katex-convert-unicode.rkt
index 3f2d74bcb..c4fd336d3 100644
--- a/katex-convert-unicode.rkt
+++ b/katex-convert-unicode.rkt
@@ -1,7 +1,8 @@
 #lang at-exp racket/base
 (require racket/string)
 
-(provide katex-convert-unicode)
+(provide katex-convert-unicode
+         string-replace*)
 
 (define (literal-alternatives→regexp literal-alternatives)
   (string-append "("
@@ -22,96 +23,98 @@
                            replacement
                            (string-append "$" replacement "$"))))))
 
-(define (katex-convert-unicode str mathmode?)
+(define (katex-convert-unicode str mathmode? [more-sym→* '()])
+  (define sym→*
+    `([₀ "{}_0"]
+      [₁ "{}_1"]
+      [₂ "{}_2"]
+      [₃ "{}_3"]
+      [₄ "{}_4"]
+      [₅ "{}_5"]
+      [₆ "{}_6"]
+      [₇ "{}_7"]
+      [₈ "{}_8"]
+      [₉ "{}_9"]
+      [ᵢ "{}_i"]
+      [ⱼ "{}_j"]
+      [ₖ "{}_k"]
+      [ₗ "{}_l"]
+      [ₘ "{}_m"]
+      [ₙ "{}_n"]
+      [ₒ "{}_o"]
+      [ₓ "{}_x"]
+      [⁰ "{}^0"]
+      [¹ "{}^1"]
+      [² "{}^2"]
+      [³ "{}^3"]
+      [⁴ "{}^4"]
+      [⁵ "{}^5"]
+      [⁶ "{}^6"]
+      [⁷ "{}^7"]
+      [⁸ "{}^8"]
+      [⁹ "{}^9"]
+      [ⁱ "{}^i"]
+      [ʲ "{}^j"]
+      [ᵏ "{}^k"]
+      [ˡ "{}^l"]
+      [ᵐ "{}^m"]
+      [ⁿ "{}^n"]
+      [ᵒ "{}^o"]
+      [⊆ "\\subseteq{}" "\\ensuremath{\\subseteq}"]
+      [⊂ "\\subset{}" "\\ensuremath{\\subset}"]
+      [⊇ "\\supseteq{}" "\\ensuremath{\\supseteq}"]
+      [⊃ "\\supset{}" "\\ensuremath{\\supset}"]
+      [→ "\\rightarrow{}" "\\ensuremath{\\rightarrow}"]
+      [⇒ "\\Rightarrow{}" "\\ensuremath{\\Rightarrow}"]
+      [← "\\leftarrow{}" "\\ensuremath{\\leftarrow}"]
+      [⇐ "\\Leftarrow{}" "\\ensuremath{\\Leftarrow}"]
+      [↔ "\\leftrightarrow{}" "\\ensuremath{\\leftrightarrow}"]
+      [⇔ "\\Leftrightarrow{}" "\\ensuremath{\\Leftrightarrow}"]
+      ;; Partially extracted from my .XCompose generator
+      [ñ "\\tilde{n}" "{\\ifmmode\\tilde{n}\\else\\~{n}\\fi}"]
+      [Ñ "\\tilde{N}" "{\\ifmmode\\tilde{N}\\else\\~{N}\\fi}"]
+      [⋆ "\\star{}" "\\ensuremath{\\star}"]
+      [⍣ "\\ddot{\\star}}" "\\ensuremath{\\ddot{\\star}}"]
+      [⃰ "^*" "^*"]
+      [⟨ "\\langle{}" "\\ensuremath{\\mathsmaller{\\raisemath{.15ex}{\\langle}}}"]
+      [⟩ "\\rangle{}" "\\ensuremath{\\mathsmaller{\\raisemath{.15ex}{\\rangle}}}"]
+      [⋯ "\\cdots{}"]
+      [⋮ "\\vdots{}"]
+      [⋰ "\\iddots{}"]
+      [⋱ "\\ddots{}"]
+      [⧺ "\\mathbin{+\\mkern-6.5mu+}" "\\ensuremath{\\mathbin{+\\mkern-6.5mu+}}"]
+      [∅ "\\emptyset{}" "\\ensuremath{\\emptyset}"]
+      [ı⃗ "\\vec{\\i}}" "\\ensuremath{\\vec{\\i}"]
+      [⊕ "\\oplus{}" "\\ensuremath{\\oplus}"]
+      [⊖ "\\ominus{}" "\\ensuremath{\\ominus}"]
+      [⋓ "\\Cup{}" "\\ensuremath{\\Cup}"]
+      ;[ₗ "\\ensuremath{_{l}}"]
+      [∷ "::"]
+      [Λ "\\Lambda{}" "\\ensuremath{\\Lambda}"]
+      [∀ "\\forall{}"]
+      [∃ "\\exists{}"]
+      [≡ "\\equiv{}"]
+      [≢ "\\not\\equiv{}"]
+      [… "\\ldots{}"]
+      [⋯ "\\cdots{}"]
+      [⋰ "\\uddots{}"] ;; or \iddots from package mathdots, see http://tex.stackexchange.com/a/17650
+      [⋱ "\\ddots{}"]
+      [∌ "\\notni{}"]
+      [ℰ "\\mathcal{E}"]
+      [• "\\bullet{}"]
+      [′ "'"]
+      [″ "''"]
+      [‴ "'''"]
+      [⁗ "''''"]
+      [⋃ "\\bigcup{}"]
+      [⋂ "\\bigcap{}"]
+      [⋀ "\\bigwedge{}"]
+      [⋁ "\\bigvee{}"]
+      [± "\\pm{}"]
+      ))
   (if (string? str)
       (string-replace*
        str
        mathmode?
-       `([₀ "{}_0"]
-         [₁ "{}_1"]
-         [₂ "{}_2"]
-         [₃ "{}_3"]
-         [₄ "{}_4"]
-         [₅ "{}_5"]
-         [₆ "{}_6"]
-         [₇ "{}_7"]
-         [₈ "{}_8"]
-         [₉ "{}_9"]
-         [ᵢ "{}_i"]
-         [ⱼ "{}_j"]
-         [ₖ "{}_k"]
-         [ₗ "{}_l"]
-         [ₘ "{}_m"]
-         [ₙ "{}_n"]
-         [ₒ "{}_o"]
-         [ₓ "{}_x"]
-         [⁰ "{}^0"]
-         [¹ "{}^1"]
-         [² "{}^2"]
-         [³ "{}^3"]
-         [⁴ "{}^4"]
-         [⁵ "{}^5"]
-         [⁶ "{}^6"]
-         [⁷ "{}^7"]
-         [⁸ "{}^8"]
-         [⁹ "{}^9"]
-         [ⁱ "{}^i"]
-         [ʲ "{}^j"]
-         [ᵏ "{}^k"]
-         [ˡ "{}^l"]
-         [ᵐ "{}^m"]
-         [ⁿ "{}^n"]
-         [ᵒ "{}^o"]
-         [⊆ "\\subseteq{}" "\\ensuremath{\\subseteq}"]
-         [⊂ "\\subset{}" "\\ensuremath{\\subset}"]
-         [⊇ "\\supseteq{}" "\\ensuremath{\\supseteq}"]
-         [⊃ "\\supset{}" "\\ensuremath{\\supset}"]
-         [→ "\\rightarrow{}" "\\ensuremath{\\rightarrow}"]
-         [⇒ "\\Rightarrow{}" "\\ensuremath{\\Rightarrow}"]
-         [← "\\leftarrow{}" "\\ensuremath{\\leftarrow}"]
-         [⇐ "\\Leftarrow{}" "\\ensuremath{\\Leftarrow}"]
-         [↔ "\\leftrightarrow{}" "\\ensuremath{\\leftrightarrow}"]
-         [⇔ "\\Leftrightarrow{}" "\\ensuremath{\\Leftrightarrow}"]
-         ;; Partially extracted from my .XCompose generator
-         [ñ "\\tilde{n}" "{\\ifmmode\\tilde{n}\\else\\~{n}\\fi}"]
-         [Ñ "\\tilde{N}" "{\\ifmmode\\tilde{N}\\else\\~{N}\\fi}"]
-         [⋆ "\\star{}" "\\ensuremath{\\star}"]
-         [⍣ "\\ddot{\\star}}" "\\ensuremath{\\ddot{\\star}}"]
-         [⃰ "^*" "^*"]
-         [⟨ "\\langle{}" "\\ensuremath{\\mathsmaller{\\raisemath{.15ex}{\\langle}}}"]
-         [⟩ "\\rangle{}" "\\ensuremath{\\mathsmaller{\\raisemath{.15ex}{\\rangle}}}"]
-         [⋯ "\\cdots{}"]
-         [⋮ "\\vdots{}"]
-         [⋰ "\\iddots{}"]
-         [⋱ "\\ddots{}"]
-         [⧺ "\\mathbin{+\\mkern-6.5mu+}" "\\ensuremath{\\mathbin{+\\mkern-6.5mu+}}"]
-         [∅ "\\emptyset{}" "\\ensuremath{\\emptyset}"]
-         [ı⃗ "\\vec{\\i}}" "\\ensuremath{\\vec{\\i}"]
-         [⊕ "\\oplus{}" "\\ensuremath{\\oplus}"]
-         [⊖ "\\ominus{}" "\\ensuremath{\\ominus}"]
-         [⋓ "\\Cup{}" "\\ensuremath{\\Cup}"]
-         ;[ₗ "\\ensuremath{_{l}}"]
-         [∷ "::"]
-         [Λ "\\Lambda{}" "\\ensuremath{\\Lambda}"]
-         [∀ "\\forall{}"]
-         [∃ "\\exists{}"]
-         [≡ "\\equiv{}"]
-         [≢ "\\not\\equiv{}"]
-         [… "\\ldots{}"]
-         [⋯ "\\cdots{}"]
-         [⋰ "\\uddots{}"] ;; or \iddots from package mathdots, see http://tex.stackexchange.com/a/17650
-         [⋱ "\\ddots{}"]
-         [∌ "\\notni{}"]
-         [ℰ "\\mathcal{E}"]
-         [• "\\bullet{}"]
-         [′ "'"]
-         [″ "''"]
-         [‴ "'''"]
-         [⁗ "''''"]
-         [⋃ "\\bigcup{}"]
-         [⋂ "\\bigcap{}"]
-         [⋀ "\\bigwedge{}"]
-         [⋁ "\\bigvee{}"]
-         [± "\\pm{}"]
-         ))
+       (append more-sym→* sym→*))
       str))
\ No newline at end of file
diff --git a/mathjax-convert-unicode.rkt b/mathjax-convert-unicode.rkt
new file mode 100644
index 000000000..2b35495db
--- /dev/null
+++ b/mathjax-convert-unicode.rkt
@@ -0,0 +1,21 @@
+#lang at-exp racket/base
+(require racket/string
+         scriblib/render-cond
+         "katex-convert-unicode.rkt")
+
+(provide mathjax-convert-unicode)
+
+(define (mathjax-convert-unicode str* mathmode?)
+  (define more-sym→*
+    `([⩴ ,(string-append
+           "\\ifmathjax{\\mathrel{{\\raise0.9mu{::}\\hspace{-4mu}=}}}"
+           "\\iflatex{\\Coloneqq}")]
+      [∈ "\\in{}"]
+      [κ "\\kappa"]
+      [⁺ "{}^+"]
+      [⁻ "{}^-"]
+      ;; TODO:
+      [❲ "\\ifmathjax{\\unicode{x2272}}\\iflatex{❲}"]
+      [❳ "\\ifmathjax{\\unicode{x2273}}\\iflatex{❳}"]
+      ))
+  (katex-convert-unicode str* mathmode? more-sym→*))
\ No newline at end of file