Concerned Investor

Your source for insightful investment analysis

*NOT FINANCIAL ADVICE*


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Scientific Calculator

Tap the buttons to calculate.

log is base 10, ln is base e, ^ is power, x! is factorial (whole numbers). *NOT FINANCIAL ADVICE*

Advanced Financial Calculator

Pick a calculation, enter the numbers, and calculate. Loan payments are monthly, NPV / IRR use yearly cash flows, and valuation ratios use per-share numbers.

Estimate only. *NOT FINANCIAL ADVICE*

Compound Growth Calculator

See what regular contributions can grow to over time. Assumes monthly contributions and monthly compounding.

Estimate only. *NOT FINANCIAL ADVICE*

DCF / Intrinsic Value Estimator

A simple discounted cash flow estimate. Enter FCF and shares outstanding in the same units (for example, both in millions) and the result is dollars per share. This version does not adjust for cash or debt — it is a starting estimate, not a full valuation.

Estimate only. *NOT FINANCIAL ADVICE*

Dividend Income Calculator

Enter your position and annual dividend per share. The table below shows how yield changes at different prices — with the same share count, annual income stays the same, but yield moves opposite to price.

Estimate only. *NOT FINANCIAL ADVICE*