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- It means "all elements of the sequence but the last". In the context of f.readline()[:-1] it means "I'm pretty sure that line ends with a newline and I want to strip it".
stackoverflow.com/questions/15535205/what-does-1-mean-do-in-python
∞ is a symbol used to represent unending amounts. Either plus or minus depending on the situation. If y= [+|-]x then x is either positive or negative depending on the situation. y= [+|-]x y equals either +x or -x depending on the scenario.
SymbolNameRead AsMeaning=Equalis equal toIf x=y, x and y represent the same value ...≡Definitionis defined asIf x≡y, x is defined as another name of ...≈Approximately equalis approximately equal toIf x≈y, x and y are almost equal.≠Inequationdoes not equal, is not equal toIf x≠y, x and y do not represent the same ...Here is a list of commonly used mathematical symbols with names and meanings. Also, an example is provided to understand the usage of mathematical symbols. x ≤ y, means, y = x or y > x, but not vice-versa. a ≥ b, means, a = b or a > b, but vice-versa does not hold true. In calculus, we have come across different math symbols.
- The pi symbol is a mathematical constant, which is approximately equal to 3.14. The symbol of pi is π and it is a Greek alphabet. Pi is an irration...
- The “e” symbol in maths represents Euler’s number which is approximately equal to 2.71828…It is considered as one of the most important numbers in...
- The symbols for basic arithmetic operations are addition (+), subtraction (-), Multiplication (×), Division(÷).
- Mathematics is a universal language and the basics of maths are the same everywhere in the universe. Mathematical symbols play a major role in this...
- The logic symbols in maths are: AND (^) OR (∨) NOT (¬) Implies (⇒) Equivalent (⇔) For all (∀) There exists (∃)
Mar 20, 2013 · It means "all elements of the sequence but the last". In the context of f.readline()[:-1] it means "I'm pretty sure that line ends with a newline and I want to strip it".
List of all math symbols and meaning - equality, inequality, parentheses, plus, minus, times, division, power, square root, percent, per mille,...
- What Do You Mean by Greater Than and Less Than Symbols?
- What Is Greater Than Sign?
- What Is Less Than Sign?
- What Is Equal to?
- Method 2
- Method 3
- Questions to Be Solved on Greater Than and Less Than
- Conclusion
The greater than and less than symbols are mathematical signs which are used to denote an inequality between any two values.They are used to compare values.The greater than and the less symbols reduce the time complexity and it makes understanding easier.“>” is greater than sign, it means that the value on the left side is greater than the value on the right side.The symbol consists of two strokes of equal length connecting in an acute angle at the right.For example, 9>1 which means 9 is greater than 1.“<” is the less than sign, it means that the value on the left side is less than the value on the right side.The symbol consists of two strokes of equal length connecting in an acute angle at the left.For example, 15<16 which means 15 is less than 16.Equal to is denoted by the symbol “=”.It is used to show the equality between two values.While writing equations, we also use the equal to symbol.The crocodile or the alligator method is a very famous method.We assume the < to be a crocodile and the number on both sides to be the fishes.The crocodile always wants to eat a larger number of fishes, so the alligator mouth always opens towards the greater number.We assume that the values on both sides represent the number of fish.The letter ‘L’ looks like the less than symbol “<”The trick to remembering how the less than sign looks is very simple. As “less than” starts with l, the symbol < looks more like the letter L.Question 1) Which sign do we use with these numbers? 1. 2 _____ 8 2. 15______9 Solution)We need to fill in the blanks with greater than or less than symbols, Since 2 is less than 8, we will use the less than symbol (<) 2 < 8 Since 15 is greater than 9, we will use the greater than symbol (>) 15 > 9 Question 2) Rani has 17 apples and Liza has 29 app...
This is how we can easily understand the process of using the ‘greater than’ and ‘less than’ sign in mathematics. Concentrate on the methods of remembering the symbols and use them accordingly to solve the problems.
These are the important signs to know: The "less than" sign and the "greater than" sign look like a "V" on its side, don't they? To remember which way around the "<" and ">" signs go, just remember: Greater Than Symbol: BIG > small. Example: "10 is greater than 5" Or the other way around: "5 is less than 10"
≠ means not equal. For example, 2 + 2 ≠ 5 - 2. In computer applications (like Excel) the symbols <> mean not equal. ≡ means identical to. This is similar to, but not exactly the same as, equals. Therefore, if in doubt, stick to =. ≈ means approximately equal to, or almost equal to.
