Special Characters for Engineering Using ALT Key

If you ever had to write an engineering report, you know how irritating it can be to type math operators and Greek characters unavailable in a standard keyboard.

Fortunately, PCs allow you to insert some of these characters by pressing the ALT key and a combination of numbers. Below, you can find some of those characters.

    Alt + 171  = ½                 Alt + 0216 = Ø

    Alt + 172  = ¼                 Alt + 224  = α

    Alt + 0190 = ¾                 Alt + 225  = ß

    Alt + 0178 = ²                 Alt + 227  = π

    Alt + 0179 = ³                 Alt + 228  = Σ

    Alt + 252  = ⁿ                 Alt + 229  = σ

    Alt + 0176 = °                 Alt + 231  = τ

                                   Alt + 232  = Φ

    Alt + 242  = ≥                 Alt + 233  = Θ

    Alt + 243  = ≤                 Alt + 234  = Ω

    Alt + 244  = ⌠                 Alt + 235  = δ

    Alt + 245  = ⌡                 Alt + 236  = ∞

    Alt + 246  = ÷                 Alt + 237  = φ

    Alt + 247  = ≈

    Alt + 251  = √                 Alt + 1    = ☺

    Alt + 240  = ≡

    Alt + 0177 = ±