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John Bentin
John Bentin
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In MathJax, the cube root of a displayed fraction comes out like $$\sqrt[3]\frac ab .$$ Typographically, there are four things wrong with this. The main one is that the $3$ is too low. It should at the top of the surd symbol, not near the middle. Is there a workaround for this?

The other issues, which I do not expect a workaround for, are:

  1. the $3$ is too small;
  2. the bottom of the surd symbol is too deep;
  3. the fraction symbols are not well balanced about the fraction bar (i.e. the fraction bar is too low); and
  4. the vinculum is redundant (of course, the \sqrt instruction calls for a vinculum, but there is no option to use the \surd instruction for a display fraction or with a pre-index).

(1)$\;$ the $3$ is too small

(2)$\;$ the bottom of the surd symbol is too deep

(3)$\;$ the fraction symbols are not well balanced about the fraction bar (i.e. the fraction bar is too low)

(4)$\;$ the vinculum is redundant (of course, the \sqrt instruction calls for a vinculum, but there is no option to use the \surd instruction for a display fraction or with a pre-index).

In MathJax, the cube root of a displayed fraction comes out like $$\sqrt[3]\frac ab .$$ Typographically, there are four things wrong with this. The main one is that the $3$ is too low. It should at the top of the surd symbol, not near the middle. Is there a workaround for this?

The other issues, which I do not expect a workaround for, are

  1. the $3$ is too small;
  2. the bottom of the surd symbol is too deep;
  3. the fraction symbols are not well balanced about the fraction bar (i.e. the fraction bar is too low); and
  4. the vinculum is redundant (of course, the \sqrt instruction calls for a vinculum, but there is no option to use the \surd instruction for a display fraction or with a pre-index).

In MathJax, the cube root of a displayed fraction comes out like $$\sqrt[3]\frac ab .$$ Typographically, there are four things wrong with this. The main one is that the $3$ is too low. It should at the top of the surd symbol, not near the middle. Is there a workaround for this?

The other issues, which I do not expect a workaround for, are:

(1)$\;$ the $3$ is too small

(2)$\;$ the bottom of the surd symbol is too deep

(3)$\;$ the fraction symbols are not well balanced about the fraction bar (i.e. the fraction bar is too low)

(4)$\;$ the vinculum is redundant (of course, the \sqrt instruction calls for a vinculum, but there is no option to use the \surd instruction for a display fraction or with a pre-index).

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GNUSupporter 8964民主女神 地下教會
GNUSupporter 8964民主女神 地下教會
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In MathJax, the cube root of a displayed fraction comes out like $$\sqrt[3]\frac ab .$$ Typographically, there are four things wrong with this. The main one is that the $3$ is too low. It should at the top of the surd symbol, not near the middle. Is there a workaround for this?

The other issues, which I do not expect a workaround for, are (1) the $3$ is too small; (2) the bottom of the surd symbol is too deep; (3) the fraction symbols are not well balanced about the fraction bar (i.e. the fraction bar is too low); and (4) the vinculum is redundant (of course, the \sqrt instruction calls for a vinculum, but there is no option to use the \surd instruction for a display fraction or with a pre-index).

  1. the $3$ is too small;
  2. the bottom of the surd symbol is too deep;
  3. the fraction symbols are not well balanced about the fraction bar (i.e. the fraction bar is too low); and
  4. the vinculum is redundant (of course, the \sqrt instruction calls for a vinculum, but there is no option to use the \surd instruction for a display fraction or with a pre-index).

In MathJax, the cube root of a displayed fraction comes out like $$\sqrt[3]\frac ab .$$ Typographically, there are four things wrong with this. The main one is that the $3$ is too low. It should at the top of the surd symbol, not near the middle. Is there a workaround for this?

The other issues, which I do not expect a workaround for, are (1) the $3$ is too small; (2) the bottom of the surd symbol is too deep; (3) the fraction symbols are not well balanced about the fraction bar (i.e. the fraction bar is too low); and (4) the vinculum is redundant (of course, the \sqrt instruction calls for a vinculum, but there is no option to use the \surd instruction for a display fraction or with a pre-index).

In MathJax, the cube root of a displayed fraction comes out like $$\sqrt[3]\frac ab .$$ Typographically, there are four things wrong with this. The main one is that the $3$ is too low. It should at the top of the surd symbol, not near the middle. Is there a workaround for this?

The other issues, which I do not expect a workaround for, are

  1. the $3$ is too small;
  2. the bottom of the surd symbol is too deep;
  3. the fraction symbols are not well balanced about the fraction bar (i.e. the fraction bar is too low); and
  4. the vinculum is redundant (of course, the \sqrt instruction calls for a vinculum, but there is no option to use the \surd instruction for a display fraction or with a pre-index).
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John Bentin
John Bentin
  • 19k
  • 16
  • 21

In MathJax, how can I get the index of a cube root of a tall expression to be at the right level?

In MathJax, the cube root of a displayed fraction comes out like $$\sqrt[3]\frac ab .$$ Typographically, there are four things wrong with this. The main one is that the $3$ is too low. It should at the top of the surd symbol, not near the middle. Is there a workaround for this?

The other issues, which I do not expect a workaround for, are (1) the $3$ is too small; (2) the bottom of the surd symbol is too deep; (3) the fraction symbols are not well balanced about the fraction bar (i.e. the fraction bar is too low); and (4) the vinculum is redundant (of course, the \sqrt instruction calls for a vinculum, but there is no option to use the \surd instruction for a display fraction or with a pre-index).