What is the difference between .NET double and python float?

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Aryan Kumar · Answer

The main difference between .NET double and Python float is the precision. A .NET double is a 64-bit floating-point number, while a Python float is a 64-bit or 32-bit floating-point number, depending on the Python version and platform. This means that a .NET double can represent numbers with more precision than a Python float.
Here is a table summarizing the differences between .NET double and Python float:
Feature
.NET double
Python float
Precision
64 bits
64 bits or 32 bits
Range
±1.7976931348623157e+308
±1.7976931348623157e+308 for 64-bit floats, ±3.4028234663852886e+38 for 32-bit floats
Memory usage
8 bytes
4 bytes for 32-bit floats, 8 bytes for 64-bit floats
In general, you should use a .NET double when you need to represent numbers with high precision. You should use a Python float when you need to represent numbers with less precision or when you are limited by memory constraints.
Here are some examples of when you should use a .NET double:
Storing the value of piStoring the weight of an object in gramsStoring the temperature in CelsiusStoring the area of a circle in square meters
Here are some examples of when you should use a Python float:
Storing the price of an item in dollarsStoring the balance of an account in centsStoring the interest rate on a loan in percentStoring the exchange rate between two currencies

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What is the difference between .NET double and python float?

Revati S Misra

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Feature	.NET double	Python float
Precision	64 bits	64 bits or 32 bits
Range	±1.7976931348623157e+308	±1.7976931348623157e+308 for 64-bit floats, ±3.4028234663852886e+38 for 32-bit floats
Memory usage	8 bytes	4 bytes for 32-bit floats, 8 bytes for 64-bit floats