This is a good resource to print out and have near your computer desk!How do I type nicely the square and the square root and other math symbols?(Just hold "Alt" down and type the numbers in on the right side of the keyboard (num pad) then let go off the buttons and the character will appear.) I have compiled a list of Math symbols that you can write easily in your documents. Hope you like it!Mr. DiazThe trick: "Just hold "Alt" down and type the numbers in on the right side of the keyboard (key pad) then let go of the buttons and the character will appear. "Example: "ALT" and "253" will render ² The square symbol!If you have a Dell laptop see instructions at the end of this message! 253.      ² Squared symbol 251.      √ (square root )   7.      • Black dot   9.      ○ White circle White circle  22.      ▬ Long and Thick Minus Sign  227. π The symbol for  Pi228. Σ Uppercase Sigma used for sumation229. σ Lowercase Sigma used for standard deviation.230. µ Mu231. τ  Tau232. Φ Phi or Fibonacci number233. Θ Theta, the 8th letter of Greek alphabet234. Ω Omega (24th letter of Greek alphabet)235. δ The symbol for delta236. ∞ The symbol or character for infinity.237. φ Phi the Fibonacci number in lowercase238. ε A backwards 3 or curved E - German Epsilon239. ∩ Upside down U240. ≡ Equal sign with 3 lines241. ± Plus and minus (Plus or minus) sign, Plus-minus Symbol242. ≥ Greater than or equal to symbol243. ≤ Less than or equal to sign246. ÷ Divide or Division Symbol247. ≈ Curvy or wavy equal sign =248. ° Degree or degrees code249. ∙ Medium height period Medium height period250. · Dot higher than usual251. √ Square root symbol.252. ⁿ Superscript N253. ² Squared symbol254. ■ Black box or square0248.  ø  small Empty symbol0179.  ³ Third power symbol0185.  ¹ First power symbol0216. Ø big empty  symbol4. ♦ Diamond5. ♣ Clove (Clover/Puppyfeet)6. ♠ Spade7. • Black dot8. ◘ Black square with circle cutout9. ○ White circle White circle10. ◙ Black square with black circle18. ↕ Up and down arrows22. ▬ Long and Thick Minus Sign23. ↨ Up & down arrows24. ↑ Up arrow25. ↓ Down arrow26. → Right arrow27. ← Left arrow28. ∟ 90º degree angle29. ↔ Left and right arrow30. ▲ Triangle or delta sign31. ▼ Triangle or delta sign upside down43. + Plus sign45. - Minus Sign123. {124. |125. }126. ~127. ⌂ A house shaped pentagon155. ¢ The "cents" or "cent" sign for currency159. ƒ  an F for functions.166. ª The feminine superscript A167. º The degrees or degree symbol169. ⌐170. ¬171. ½ One half symbol172. ¼ One quarter symbol O174. « Double arrow pointing left175. » Double arrow pointing right193. ┴ Perpendicular symbol196. ─  Big minus symbol197. ┼  Big plus symbol202. ╩ another Perpendicular symbol205. ═  Equal symbol207. ╧ another Perpendicular symbol208. ╨ another Perpendicular symbol216. ╪ Not equal symbol224. α The Greek letter "Alpha"225. ß The greek letter "Betha"226. Γ The greek letter "Gamma"