4 <!ENTITY InvisibleTimes "⁢">
5 <!ENTITY ApplyFunction "⁡">
6 <!ENTITY int "∫">
9 <m:math display="block" xmlns:helm="http://www.cs.unibo.it/helm" xmlns:m="http://www.w3.org/1998/Math/MathML">
10 <m:mrow helm:xref="SELECTION OK">
12 <m:mo>⁡</m:mo>
14 <m:maction actiontype="toggle">
15 <m:mtext>It's a secret!</m:mtext>
19 <m:mo>⁢</m:mo>
27 <m:msup helm:xref="A">
32 <m:mrow helm:xref="B">
34 <m:mo>⁢</m:mo>
42 <m:mo fontstyle="italic">d</m:mo>
47 <m:mfrac><m:mi>a</m:mi><m:mn>2</m:mn></m:mfrac>
48 <m:mo>⁢</m:mo>
51 <m:mo>⁡</m:mo>
55 <m:msup><m:mi>x</m:mi><m:mn>2</m:mn></m:msup>
59 <m:mo>⁢</m:mo>
75 <m:mo>⁢</m:mo>
81 <m:mo>⁢</m:mo>
89 <m:mo>⁢</m:mo>
100 <m:mo>⁢</m:mo>
102 <m:mi xlink:href="JUMPS WORK">arctg</m:mi>
103 <m:mo>⁡</m:mo>
108 <m:mo>⁢</m:mo>
118 <m:mo>⁢</m:mo>