Intermediate Algebra | 37.5: The Compound Interest Formula, Explained

Full course — free exercises, Feynman reviews, and AI-graded feedback: https://ludium.ai/courses/intermediat... Money grows on money: leave cash in a savings account and the bank pays interest on your interest, period after period. This video breaks down the compound interest formula one letter at a time, works a full example, and reveals a surprising truth about how little the compounding frequency actually matters. Key concepts covered: Compound interest as interest earned on interest Every letter in A equals P times (1 plus R over N) to the N times T What the compounding frequency N means: annually, quarterly, monthly, daily A complete worked example finding the amount owed on a loan Why going from monthly to daily compounding barely changes the total ━━━━━━━━━━━━━━━━━━━━━━━━ SOURCE MATERIALS The source materials for this video are from    • Intermediate Algebra Lecture 12.3:  Graphi...