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A spreadsheet template for amortization, payment breakdowns, and extra-payment planning.

Estimate borrowing power, payments, extra-payment impact, tax estimates, and future home equity.

Estimate affordable house price from income, debts, mortgage assumptions, and monthly housing costs.

Plan monthly income, set spending budgets, track daily expenses, and review a visual dashboard.

A connected workbook for a weekly class schedule, assignment tracker, weighted GPA calculator, and study planner with a semester dashboard.

A connected workbook for logging crypto trades, tracking cost basis and holdings, comparing allocation to targets, estimating FIFO/LIFO tax lots, and stress-testing your portfolio against market scenarios.

A connected workbook for logging deposits, withdrawals, and checks with a running balance, monthly bank reconciliation, and a spending dashboard.

A step-by-step long division workbook that shows the full digit-by-digit walkthrough, detects repeating and terminating decimals, and verifies every result.

A connected workbook for planning annual revenue and department budgets, logging actuals, and reviewing budget vs. actual variance on a management dashboard.

Mortgage Basics

A practical guide for understanding mortgage payments, rates, PMI, taxes, and long-term borrowing cost.