๐ŸงฐHandyFinance

๐Ÿ“ˆHandy Compound Interest

Savings growth and goals. See exactly how savings and investments grow with compound interest, and how much to save each month to hit a goal.

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https://plugins-worker.demos.42a.ai/compound-interest/mcp

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What it does

Review test cases

PromptToolExpected
How much is $10,000 worth after 20 years at 7% compounded monthly?calculate_compound_interest$40,387.39, of which $30,387.39 is interest.
If I invest $500 a month at 8% for 30 years, how much will I have?calculate_compound_interest$745,179.72 from $180,000 of deposits ($565,179.72 of growth).
Start with $5,000, add $200 a month increasing 3% a year, 5% compounded annually for 10 years. What is it worth in today's money with 2.5% inflation?calculate_compound_interest$43,118.65 after 10 years ($32,513.31 deposited), worth $33,684.22 in today's money.
I have $5,000 saved. How much do I need to save each month to have $50,000 in 5 years at 4.5%?savings_goal$651.44 a month for 60 months.
I have $50,000 invested and add $1,000 a month at 7%. How long until I have $1 million?savings_goal287 months (23 years 11 months).
What is the monthly payment on a $20,000 loan at 6% for 4 years?noneA loan payment, not savings growth.
Which index fund should I buy for retirement?noneInvestment product advice, nothing to calculate.
What was $100 in 1980 worth in today's dollars?noneHistorical inflation adjustment uses CPI data, not a compound interest projection.

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