See ?share and ?share,contents for information about the share library
<display-equation><fd><fl>
x<sup>2</sup>+y<sup>2</sup>=z<sup>2</sup>
</fl></fd></display-equation>
<inline-equation><f>
x<sup>2</sup>+y<sup>2</sup>=z<sup>2</sup>
</f></inline-equation>
<display-equation><fd><fl>
<in align="c"></in><hsp sp="0.167"><fen lp="par"> x<sup>2</sup>+1
<rp post="par"></fen><sup>-1</sup><hsp sp="0.167">dx=<rf>arctan</rf>
<fen lp="par">x<rp post="par"></fen>
</fl></fd></display-equation>
<display-equation><fd><fl>
-3<hsp sp="0.265"><rad><rcd>-1</rcd></rad><g>p</g>
</fl></fd></display-equation>
<display-equation><fd><fl>
<it>Total_profit</it><hsp sp="0.265"><it>Rate</it>
</fl></fd></display-equation>
<display-equation><fd><fl>
<fr><nu><g>G</g><fen lp="par">x<rp post="par"></fen></nu><de><g>g</g>
</de></fr>+<fr><nu><g>y</g></nu><de><g>b</g></de></fr>
</fl></fd></display-equation>
<display-equation><fd><fl>
<in align="c"></in><hsp sp="0.167">e<sup>x</sup><hsp sp="0.167">dx
</fl></fd></display-equation>
<display-equation><fd><fl>
<lim align="c"><op><rf>lim</rf></op><ll>x&rarr;0<sup>-</sup></ll>3+y
<fen lp="par">x<rp post="par"></fen></lim>
</fl></fd></display-equation>
