Projects the future value of investments with regular contributions.
The investment growth calculator projects how a portfolio grows over time when you start with an initial lump sum and add regular monthly contributions.
FV = P×(1+r)^n + C×[(1+r)^n − 1]/r where P = initial amount, C = monthly contribution, r = monthly rate, n = months
Start with $5,000, add $300/month, 7% annual return, 20 years. r = 0.07/12, n = 240. FV ≈ $183,000. Total contributed: $77,000.
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