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Investing
Calculate portfolio standard deviation as a measure of total risk.
Open Port StdDevInvesting
Calculate present value of a future sum given discount rate and time.
Open Present ValueYour specific task is calculate portfolio standard deviation as a measure of total risk. Open the page, drop your input, get the result — typically under a second.
Your goal is calculate present value of a future sum given discount rate and time. Same approach: paste in, get the result, move on. No account, no upload.
Both tools live in the same category, so the choice depends on the exact subtask. Port StdDev focuses on calculate portfolio standard deviation as a measure of total risk; Present Value focuses on calculate present value of a future sum given discount rate and time. Try whichever description matches your goal more closely — they're both free.
Yes — both tools are free for unlimited personal use. The Pro plan unlocks higher limits and batch features but the core functionality stays free forever.
Absolutely. Many users chain multiple tools together — process a file with one, then feed the result into another. Nothing is uploaded, so chaining is essentially instant.
No. Both Port StdDev and Present Value work without signup. We only ask for an email if you decide to subscribe to a paid plan.