Both commands are fragile. In a Latex math environment if you simply type textbf nabla a you will get the following result In the above only is printed in bold. How do I make symbols like nabla or delta as bold symbols.
In a Latex math environment if you simply type textbf nabla a you will get the following result In the above only is printed in bold.
Use align for multiline equation with alignment. Paragraphs and new lines. In a Latex math environment if you simply type textbf nabla a you will get the following result In the above only is printed in bold. There are no bold italic mathematical digits in Unicode so you would need to use symbfup for digits instead.