FutureCalc Formula Guides

Jordan Hale · Hub updated

These guides explain the math behind each calculator with worked examples, Excel parallels, and editorial verification notes. Start with the identity that matches your decision, then jump to the live tool.

Future Value Formula

Lump sums, annuities, growing payments, continuous compounding.

Present Value Formula

Discounting math and rate-sensitivity intuition.

Annuity Formulas

Ordinary, due, and growing annuity identities.

TVM Formula Guide

Five rearrangements of one TVM identity.

FV Factor Tables

FVIF and FVIFA lookups aligned with our engine.

Need a tool instead? Open the Calculators hub or the HTML sitemap.