Numbers in Python

Using numbers in Python is quite similar to other programming languages.

Here are the primary mathematical operators in Python:

addition: a + b
subtraction: a - b
multiplication: a * b
division: a / b
exponentiation: a ** b

How to Calculate Roots

To calculate roots, use the exponentiation operator with a fractional exponent.

Example

The square root of a number can be found by raising it to the power of 0.5 (or 1/2).

a ** 0.5

In Python, numerical variables are typically floating-point decimal numbers.

However, they can also be represented in other number systems (binary, hexadecimal, octal).

To assign a binary number to a variable, use the prefix 0b before the binary digits.

Example

print(0b111)

This command will display the number 7, which is the decimal equivalent of the binary number 111.

To work with octal numbers, use the prefix 0o before the octal digits.

Example

print(0o77)

This command will print the decimal value 63, which corresponds to 77 in octal.

To use hexadecimal numbers, use the prefix 0x before the hexadecimal digits.

Example

print(0xAA)

This command will display the decimal number 170, which is represented as AA in hexadecimal.