常用数学符号英文对照.doc

.常用数学符号英文对照Basic math symbolsSymbolSymbol NameMeaning / definitionExample=equals signequality5 = 2+35 is equal to 2+3not equal signinequality5 45 is not equal to 4approximately equalapproximationsin(0.01) 0.01,xymeansxis approximately equal toystrict inequalitygreater than5 45 is greater than 4strict inequalityless than4 54 is less than 5inequalitygreater than or equal to5 4,xymeansxis greater tha