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Fractions and roots\atop

\atopCommand

Plain-TeX infix generalized fraction without a fraction bar, placing the left formula over the right formula.

a \atop b
Available in
base
Kind
infix
Allowed mode
math
Frequency
0.11% of corpus formulasrank 105 of 263
Commonality
low
Tags
discouraged
Renderer support
MathJaxKaTeXXeTeX
base
About the test scope

Syntax#

\atop

Takes no arguments. Reading argspecs

In TeXForm#

TeXForm parses this entry as infix syntax; the package determines its argument specification.

base/atop-to-genfracfrom Authoringrender

Rewrite infix atop to an explicit no-rule genfrac form.

#1 \atop #2 \genfrac{}{}{0pt}{}{#1}{#2}

Equivalent forms#

  • \genfrac{}{}{0pt}{}{$1}{$2}exact

See also#

Test cases#

base
InputCaseMathJaxKaTeXXeTeX
a \atop bPositive · baselinePassPassPass
In Fractions and roots21
All 21 in Fractions and roots