| Mathematics |
 | Algebraic Identities |
 Square of a Sum | (a + b)² = a² + 2ab + b² |
 Square of a Difference | (a - b)² = a² - 2ab + b² |
 Difference of Two Squares | a² - b² = (a - b)(a + b) |
 Sum of Two Cubes | a³ + b³ = (a + b)(a² - ab + b²) |
 Difference of Two Cubes | a³ - b³ = (a - b)(a² + ab + b²) |
 Cube of a Sum | (a + b)³ = a³ + 3a²b + 3ab² + b³ |
 Cube of a Difference | (a - b)³ = a³ - 3a²b + 3ab² - b³ |
 Quad of a Sum | (a + b)4 = a4 + 4a³b + 6a²b² + 4ab³ + b4 |
 Quad of a Difference | (a - b)4 = a4 - 4a³b + 6a²b² - 4ab³ + b4 |
| Engineering | Physics | Switches | Number Base S. | Motion | Mechanics |
| Single Phase A.C. | E. Equivalence | Electrostatics | Linear Algebra | Electric Field | Gas Laws |
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