swiss-algebra-help.com # Algebra Symbols

Algebra Symbols and mathematical naming convention

 a,b,c,d, e,f constants, variables; coefficient of a polynomial i, j, k index variables for sequences; e.g is a term of sequence  l, w length and width of a figure, a geometrical shape f, g, h Functions n, m, p, q integers n counting of objects, "let's have n objects" p, q prime numbers r remainder, rest or "modulus" r,s,t variables u,v variables w,x,y,z unknown quantities in equations, variables x,y,z variables, unknown quantities; cartesian axes z variable for complex numbers α, β, γ, θ, φ angles ε very small quantity (calculus; limits) λ Eigenvalue (linear algebra) σ Sum or standard deviation (statistics) a times b, multiplication of a by b a times b, multiplication of a by b a divided by b, or a:b exponential distributive law

Source:
http://en.wikipedia.org/wiki/Variable_%28mathematics%29#Name_conventions
The Princeton Companion to Mathematics From algebra symbols back to the resources (free algebra homework websites) webpage

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