How do you write 1e 6 in python?
To test if two float values are exactly equal, just use Show
You may be confusing representation with the value. Python formats a You can format the numbers manually:
where And indeed, both values are exactly the same. This was not a given; a float calculation can easily introduce small errors as float numbers are but approximations with binary fractions, after all.
Description¶Returns a float multiplied by the specified power of 10. Syntax¶[0-9].e[0-9] [0-9].E[0-9] Example¶>>> 1.1 1.1 >>> 1.1e0 1.1 # 1.1 * 10**0 >>> 1.1e1 11.0 # 1.1 * 10**1 >>> 1.1e2 110.0 # 1.1 * 10**2 >>> 1.1e3 1100.0 # 1.1 * 10**3 >>> 8e-2 0.08 # 8 * 10**-2
Last updated on September 17, 2020 Numbers in Python #In Python, Numbers are of 4 types:
Integers or Floating point or real or Complex numbers are the numbers which we can't represent on a number line. A Complex number is of the form
Try it now Note that Boolean type is discussed later in this chapter. Common Mathematical Functions #Python provides following built-in function to help you accomplish common programming tasks:
abs() function #
Try it now pow() function #
Try it now round() function #
Try it now max() and min() function #
Try it now Python's The following table lists some standard mathematical functions and constants in the
Try it now math.pi and math.e constants #
math.ceil() and math.floor() functions #
math.fabs() and math.sqrt() functions #
math.log() function #
math.sin(), math.cos() and math.tan() functions #
math.degrees() and math.radians() function #
The is just a short list functions and constants in the math module, to view the complete list visit https://docs.python.org/dev/library/math.html. Formatting Numbers #Sometimes it is desirable to print the number in a particular format. Consider the following example: python101/Chapter-05/simple_interest_calculator.py
Output: Simple interest at the end of 2 years $ 1881.9990000000003 Try it now Notice how money displayed in the output, it contains
We want to output python101/Chapter-05/simple_interest_calculator_using_format_function.py
Output: Simple interest at the end of 2 years $ 1882.00 Try it now The format() Function #The syntax of the format(value, format-specifier) The The On success Formatting Floating Point Numbers #To format floating point numbers we use the following format-specifier. The By default, all types of numbers are right aligned. If the width is greater than length of the value then numbers are printed right justified with leading spaces determined by subtracting length of the value from width. On the other hand, if the width is smaller than the length of the value then the length of the width is automatically increased to fit the length of the value and no leading spaces are added To make everything concrete, let's take some examples: Example 1:
Try it now Here width is Example 2:
Try it now In this case, width is We can also omit the width entirely, in which case it is automatically determined by the length of the value.
Try it now The width is commonly used to neatly line up data in columns. Formatting Numbers in Scientific Notation #To format a number in Scientific Notation just replace type code from
Try it now Inserting Commas #Reading large numbers can be difficult to read. We can make them much more readable by separating them by commas (
Try it now If you just want to print the floating point number with commas(
Formatting Number as Percentages #We can use
Try it now Setting Alignment #We have already discussed that by default, numbers are printed right justfied. For example:
Try it now We can change the default alignment by using following two symbols:
Alignment symbol must come before the specified width.
Here we are printing the number left justified, as a result trailing spaces are added instead of leading spaces. Note that the statement Formatting Integers #We can also use
Try it now
How do you write E 6 in Python?Python has a defined syntax for representing a scientific notation. So, let us take a number of 0.000001234 then to represent it in a scientific form we write it as 1.234 X 10^-6. For writing it in python's scientific form we write it as 1.234E-6.
What is 1e in Python?It is nothing but a scientific notation. It means that 1 × 10−5. In other words, 0.00001.
How do you write numbers in Python?Variables of numeric types are created when you assign a value to them:. x = 1 # int. y = 2.8 # float. ... . print(type(x)) print(type(y)) ... . Integers: x = 1. ... . Floats: x = 1.10. ... . Floats: x = 35e3. ... . Complex: x = 3+5j. ... . Convert from one type to another: x = 1 # int. ... . Import the random module, and display a random number between 1 and 9:. How do you write 10 to the 6th power in Python?The Double Asterisk (**) Operator
You can use the double-asterisk operator to raise a number to a power in Python.
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