Conventional symbols and functions Jun Blore 10 th

Conventional symbols and functions Jun Blore 10th form Science and Technology Translation

Mathematical symbols They are simple and mean the same thing in all languages. + - = x ÷ > < ≤ 2² √

4+5=9 18-12=6 12x12= 144 273÷21=13 4³ √81 5334

Other math signs % ≠ ( ) [ ] { } ∫ ∟ ││ ┴ ∞ ∏ Percent Not equals to Parentheses Square brackets Brace Integral of Right angle Parallel to Perpendicular to Infinity Pi

Grammar Signs . Full Stop, Period , Comma ‘ Apostrophe : Colon ; Semi-colon - Hyphen, Dash “ ” Inverted commas, Quotation marks * Asterisk ? Question mark ! Exclamation mark, Exclamation point

& And $ Dollar ¢ Cent £ Pound ¥ Yen € Euro @ At mark ~ Tilde

Chemical Signs

H Hydrogen He Helium Li Lithium C Carbon N Nitrogen O Oxygen F Fluorine Na Sodium S Sulfur Cl Chlorine Ca Calcium K Potassium Fe Iron Cu Copper Sn Tin W Tungsten Au Gold Hg Mercury Pb Lead

How would you read… O2 H2O CO2 H2SO4 N2 + 3O2 Na2 CO3 + CaSO4 → Na2SO4 + CaCO3