decimal — Easy Examples

Arbitrary-precision decimal floating-point arithmetic

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Getting started with decimal

Basic import and usage of the decimal module.

python
from decimal import Decimal, getcontext

# Precise decimal arithmetic
print(0.1 + 0.2)  # Float imprecision
print(Decimal("0.1") + Decimal("0.2"))  # Exact

getcontext().prec = 50
pi = Decimal("3.14159265358979323846264338327950288419716939937510")
print(f"Pi to 50 digits: {pi}")

The decimal module is part of Python's standard library. Arbitrary-precision decimal floating-point arithmetic.

Common decimal operations

Frequently used functions from the decimal module.

python
# More decimal examples
import decimal

print(f"decimal module loaded successfully")
print(f"Location: {decimal.__name__}")
print(f"Has {len(dir(decimal))} attributes")

These are the most commonly used features of the decimal module.

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