![underline and \overline spacing problem in the definition of mathematical operators - TeX - LaTeX Stack Exchange underline and \overline spacing problem in the definition of mathematical operators - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/XynDL.png)
underline and \overline spacing problem in the definition of mathematical operators - TeX - LaTeX Stack Exchange
![symbols - How to insert a triangle/rectangle with plus sign in it (abstract algebra operators)? - TeX - LaTeX Stack Exchange symbols - How to insert a triangle/rectangle with plus sign in it (abstract algebra operators)? - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/fIXX4.png)
symbols - How to insert a triangle/rectangle with plus sign in it (abstract algebra operators)? - TeX - LaTeX Stack Exchange
![symbols - How to make a an uppercase delta letter which is half coloured in black vertically? - TeX - LaTeX Stack Exchange symbols - How to make a an uppercase delta letter which is half coloured in black vertically? - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/erRRD.png)
symbols - How to make a an uppercase delta letter which is half coloured in black vertically? - TeX - LaTeX Stack Exchange
![How to define a new triangle symbol with middle line for use as a maths operator? - TeX - LaTeX Stack Exchange How to define a new triangle symbol with middle line for use as a maths operator? - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/miHjS.png)
How to define a new triangle symbol with middle line for use as a maths operator? - TeX - LaTeX Stack Exchange
![symbols - How to insert a triangle/rectangle with plus sign in it (abstract algebra operators)? - TeX - LaTeX Stack Exchange symbols - How to insert a triangle/rectangle with plus sign in it (abstract algebra operators)? - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/QGWKa.png)
symbols - How to insert a triangle/rectangle with plus sign in it (abstract algebra operators)? - TeX - LaTeX Stack Exchange
![symbols - How to make a an uppercase delta letter which is half coloured in black vertically? - TeX - LaTeX Stack Exchange symbols - How to make a an uppercase delta letter which is half coloured in black vertically? - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/FIvpm.png)
symbols - How to make a an uppercase delta letter which is half coloured in black vertically? - TeX - LaTeX Stack Exchange
![Makita StarlockMax Oscillating Multi-Tool 4-1/2 in. Tungsten Carbide 20 Grit Delta Triangle Sanding Pad E-08632 - The Home Depot Makita StarlockMax Oscillating Multi-Tool 4-1/2 in. Tungsten Carbide 20 Grit Delta Triangle Sanding Pad E-08632 - The Home Depot](https://images.thdstatic.com/productImages/8daaeaa6-db4e-443d-95cb-d411d6c3d7c4/svn/makita-oscillating-tool-attachments-e-08632-64_600.jpg)