Common Notations Reference
Mathematical Symbols
| Symbol |
Description |
Example |
| $\pi$ |
Pi |
$\pi \approx 3.14159$ |
| $e$ |
Euler’s Number |
$e \approx 2.71828$ |
| $i$ |
Imaginary Unit |
$i^2 = -1$ |
| $\infty$ |
Infinity |
$\lim_{x \to \infty} f(x)$ |
Equations
| Equation |
Description |
| $E = mc^2$ |
Einstein’s mass-energy equivalence |
| $a^2 + b^2 = c^2$ |
Pythagorean theorem |
| $F = ma$ |
Newton’s second law of motion |
| $e^{i\pi} + 1 = 0$ |
Euler’s identity |
Units of Measurement
| Unit |
Symbol |
Description |
| Meter |
m |
Unit of length |
| Kilogram |
kg |
Unit of mass |
| Second |
s |
Unit of time |
| Ampere |
A |
Unit of electric current |
Common Constants
| Constant |
Symbol |
Value |
| Speed of Light |
$c$ |
$3 \times 10^8 \, \text{m/s}$ |
| Gravitational Constant |
$G$ |
$6.674 \times 10^{-11} \, \text{m}^3 \text{kg}^{-1} \text{s}^{-2}$ |
| Planck’s Constant |
$h$ |
$6.626 \times 10^{-34} \, \text{Js}$ |
| Avogadro’s Number |
$N_A$ |
$6.022 \times 10^{23} \, \text{mol}^{-1}$ |
Common Notations
| Notation |
Description |
| $\alpha$ |
Alpha, often used for angles |
| $\beta$ |
Beta, often used for angles |
| $\gamma$ |
Gamma, often used for angles |
| $\Delta$ |
Delta, often used for change or difference |
| $\Sigma$ |
Sigma, often used for summation |
Common Notations Reference
Mathematical Symbols
| Symbol |
Description |
Example |
| $\pi$ |
Pi |
$\pi \approx 3.14159$ |
| $e$ |
Euler’s Number |
$e \approx 2.71828$ |
| $i$ |
Imaginary Unit |
$i^2 = -1$ |
| $\infty$ |
Infinity |
$\lim_{x \to \infty} f(x)$ |
Equations
| Equation |
Description |
| $E = mc^2$ |
Einstein’s mass-energy equivalence |
| $a^2 + b^2 = c^2$ |
Pythagorean theorem |
| $F = ma$ |
Newton’s second law of motion |
| $e^{i\pi} + 1 = 0$ |
Euler’s identity |
Units of Measurement
| Unit |
Symbol |
Description |
| Meter |
m |
Unit of length |
| Kilogram |
kg |
Unit of mass |
| Second |
s |
Unit of time |
| Ampere |
A |
Unit of electric current |
Common Constants
| Constant |
Symbol |
Value |
| Speed of Light |
$c$ |
$3 \times 10^8 \, \text{m/s}$ |
| Gravitational Constant |
$G$ |
$6.674 \times 10^{-11} \, \text{m}^3 \text{kg}^{-1} \text{s}^{-2}$ |
| Planck’s Constant |
$h$ |
$6.626 \times 10^{-34} \, \text{Js}$ |
| Avogadro’s Number |
$N_A$ |
$6.022 \times 10^{23} \, \text{mol}^{-1}$ |
Common Notations
| Notation |
Description |
| $\alpha$ |
Alpha, often used for angles |
| $\beta$ |
Beta, often used for angles |
| $\gamma$ |
Gamma, often used for angles |
| $\Delta$ |
Delta, often used for change or difference |
| $\Sigma$ |
Sigma, often used for summation |
This file can be expanded as needed to include any other commonly used values or notations. You can refer to this file whenever you need to use these symbols or equations in your documents.