Chrome Extension

Stop Switching Tabs.
Your Financial Calculator Now Lives in Chrome.

TVM, amortization, bonds, NPV/IRR, depreciation, and more — instantly accessible in Chrome's side panel.

Add to Chrome — Free See Pricing

See it in action

Enter your mortgage rate, loan amount, and term. FinCalcPro solves for your monthly payment instantly — no spreadsheet required.

The TVM solver handles the five core variables (N, I/Y, PV, PMT, FV) so you can solve any time-value-of-money problem in seconds.

FinCalcPro TVM solver calculating a mortgage payment

What you get

A professional-grade financial calculator, purpose-built for Chrome.

TVM

Time Value of Money — Built In

Solve for N, I/Y, PV, PMT, or FV. Whether it's a mortgage, lease, or annuity — enter what you know and solve for the rest.

PRO

Professional Finance Worksheets

Amortization schedules, bond pricing, depreciation, NPV/IRR, interest conversion, and more. The tools finance professionals actually use.

Lives in Chrome's Side Panel

One click opens your calculator alongside any page. No tab switching, no popups, no distractions. It's just there when you need it.

Simple pricing

Most finance apps charge $20–$40 per year. FinCalcPro is a one-time payment.

Free

$0
  • TVM Solver (N, I/Y, PV, PMT, FV)
  • Arithmetic & parentheses
  • Scientific functions
  • TIP calculator
  • 2 memory registers
  • Calculation history
Download Free
Best Value

Pro

$6.99 Lifetime Access
  • Everything in Free, plus:
  • Cash Flows (CF / NPV / IRR)
  • Amortization
  • Depreciation
  • Statistics
  • Bond Pricing
  • Date Calculations
  • Interest Conversion
  • Profit & Breakeven
  • ROI Calculator
  • BGN/END mode
  • P/Y & C/Y settings
  • Format control
  • 10 memory registers
Unlock Lifetime Access — $6.99
✔ Secure Stripe Checkout ✔ Instant Access ✔ No Refunds (unless software issue)

Frequently asked questions

Is this affiliated with Texas Instruments?

No. FinCalcPro is an independent product. It performs the same financial calculations but is not made by or affiliated with TI.

What does "one-time" mean?

Pay $6.99 once and you have Pro access forever. No subscriptions, no renewals, no expiration.

Can I try before buying?

Yes. The free tier includes the full TVM solver, scientific functions, and TIP calculator. Try everything before deciding to upgrade.

How do I access the calculator?

Install the Chrome extension, then click the FinCalcPro icon in your toolbar. It opens as a side panel alongside whatever page you're on.

What is the refund policy?

All sales are final. If you experience a bug or technical issue that prevents the calculator from working as described, contact us and we will issue a full refund. We encourage you to try the free tier before purchasing.