Are there any tools to help transcribe mathematical formulae into LaTeX?

Apart from online equation builders like CodeCogs or QuickMath which let you compose your mathematical formulae, there are other tools to help with quickly transcribing them to \(\mathrm{\LaTeX}\).

MyScript Math lets you scribble mathematical formulae, then uses handwriting recognition to convert them into \(\mathrm{\LaTeX}\) code (as well as MathML or export as an image).

It is also available as an iPad app, MathPad.

MathPix can extract mathematical formulae from images. It is available as a MacOS app, which lets you "snip" formulae on your screen. Its Android and iOS apps lets you snap a picture of the formulae, and even has an option to open the converted \(\mathrm{\LaTeX}\) code in an Overleaf project!