Algebra borrows symbols from arithmetic and adds its own.
Common symbols
- = equals, ≠ not equal
- <, >, ≤, ≥ comparison
- ≈ approximately, ∝ proportional to
- ∞ infinity, ∑ sum, ∏ product
- ∈ member of, ∀ for all, ∃ there exists
Algebra borrows symbols from arithmetic and adds its own.