A package for compound interest calculations
Project description
Compound Interest Calculator
This package provides a CompoundInterestCalculator
class for calculating compound interest for various financial scenarios.
Features
- Calculate the total amount with compound interest over a period of time.
- Determine the time needed to reach a target amount with compound interest.
- Calculate the required recurring deposit to reach a target amount.
- Calculate the required interest rate to reach a target amount.
Installation
You can install the package using pip:
pip install compoundercalc
Usage
Importing the Calculator
from compoundercalc.compounder import CompoundInterestCalculator
Creating an Instance
calc = CompoundInterestCalculator(initial_deposit=1000, recurring_deposit=150, num_recurring_per_year=12, interest_rate=0.08)
Calculating the Final Amount
result = calc.final_amount(time_years=10)
print(f"The final amount is: {result:.2f}")
Determining the Time to Reach a Target Amount
years, months, days = calc.time_goal(target_amount=100000)
print(f"Time needed to reach the goal: {years} years, {months} months, and {days} days")
Calculating the Required Recurring Deposit
required_deposit = calc.calc_recurring_deposit(target_amount=100000, total_years=10)
print(f"The required recurring deposit is: {required_deposit:.2f}")
Calculating the Required Interest Rate
try:
required_rate = calc.calc_interest_rate(target_amount=100000, total_years=10)
print(f"The required annual interest rate is: {required_rate:.4f}")
except ValueError as e:
print(e)
Running Tests
To run the tests, use the following command:
python -m unittest discover -s test
License
This project is licensed under GNU License. See the LICENSE file for details.
Contributing
Contributions are welcome! Please feel free to submit a Pull Request.
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