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Internal rate of return (IRR)

Compute the internal rate of return (IRR) of a cashflow stream - the discount rate at which NPV = 0. Index 0 is treated as t=0 (typically the negative initial investment); indices 1..n are inflows in subsequent periods. Solved via Newton-Ra

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
194 ms
Price
$0.001 per call
Paying buyers, last 30 days
3 (directory's own records)
Paid calls, last 30 days
3
Category
Unclassified
Address
https://agent402.tools/api/irr

Accuracy

Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.

For agents

This page as JSON: /sellers/777de44592d1.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).

Sellers can see the evidence behind their checks and ask for a re-check at [email protected].