Calculus Symbols

Symbol Symbol Name Meaning / definition Example limit limit value of a function ε epsilon represents a very small number, near zero ε →0 e e constant / Euler’s number e = 2.718281828… e = lim (1+1/x)x ,x→∞ y ‘ derivative derivative – Leibniz’s notation (3×3)’ = 9×2 y ” second derivative derivative of derivative […]

Algebra Symbols

Algebra symbols Symbol Meaning / definition Example   x x variable unknown value to find when 2x = 4, then x = 2 ≡ equivalence identical to   ≜ equal by definition equal by definition   := equal by definition equal by definition   ~ approximately equal weak approximation 11 ~ 10 ≈ approximately equal […]