| Abbreviation | Meaning |
| = | is, is equal to, is the same |
| ≠ | is not, is not equal to |
| → | goes to, or produces, results in |
| i.e. | that is |
| e.g. | for example |
| ∴ | therefore |
| w/ | with |
| w/o |
without |
| > |
is greater than |
| < |
is less than |
| n.b. |
note well, this is important |
| wrkg |
working (sometimes eliminating just the vowels may help) |
| ∈ | belongs to, is a member of |
| ∉ | does not belong to, is not a member of |
| ⊂ | is contained in |
| ⊄ | is not contained in |
Note: you may want to write down what some of your abbreviations mean, especially acronyms, at the top of your page, e.g. FERPA - Family Educational Rights and Privacy Act
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