it is adding up the numbers with base the base ten peices like its really easy.
'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
"Ptf." is the shorthand for plaintiff.
The shorthand for schedule is "sched."
The shorthand for hope is "HP."
the shorthand for a angry face :@
The shorthand symbol for transfer is "→".
Q&A is already shorthand for "question and answer."
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"