Retirement Planning Calculator
Calculate the future value of your retirement savings with a crucial twist: see both your projected account balance AND its actual purchasing power after inflation.
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ShadowStats Inflation Calculator
Compare Official US CPI inflation against the ShadowStats (1980-based) true inflation. See how much the methodology changes affect your wallet.
True Rating Calculator (Wilson Score)
Calculate the true statistical accuracy of a rating or conversion rate using the Wilson Score Interval.