Fortunetellers
Tools built around Japan's financial context — yen-denominated, inflation-aware, and designed for long-term planning.
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Compound interest
Multi-period growth modelling with nominal/real rates,
inflation adjustment, Monte Carlo simulation and
scenario comparison. Supports monthly and annual contributions.
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Withdrawal
Model your capital depletion over time with inflation adjustment,
fixed or percentage-based withdrawals, and Monte Carlo simulation.