'Misc.' is shorthand for 'Miscellaneous'
Binary
An Exponent is a shorthand notation for repeated multiplication of the same factor. For instance: 5^4 actually means 5 x 5 x 5 x 5 = 625
Scientific notation.
That's a sextillion. If you don't want to write it out, it's 1021 in the "shorthand" of mathematics and science.
129
The shorthand for schedule is "sched."
"Ptf." is the shorthand for plaintiff.
The shorthand for hope is "HP."
Q&A is already shorthand for "question and answer."
the shorthand for a angry face :@
The shorthand symbol for transfer is "→".
The only shorthand symbol I can think of for 'of' is o/.
The triangle in shorthand means "therefore"
the shorthand for a crying face :'( Also, ='[ and ='( and :'[
Duployan shorthand was created in 1868.
Pitman shorthand was created in 1837.