M, as in Mega
"Ptf." is the shorthand for plaintiff.
The shorthand for hope is "HP."
The shorthand for schedule is "sched."
the shorthand for a angry face :@
The shorthand symbol for transfer is "→".
Q&A is already shorthand for "question and answer."
4.3MM is shorthand for 4.3 million, which equals 4,300,000. This figure is often used in financial contexts, such as reporting revenue or population numbers.
the shorthand for a crying face :'( Also, ='[ and ='( and :'[
The only shorthand symbol I can think of for 'of' is o/.
The shorthand symbol for 'different' is ≠ (not equal to).
"E" in shorthand typically represents the word "and."
The triangle in shorthand means "therefore"