Know the numberbefore you sign.

Estimate monthly mortgage payments, interest and amortization.

Home price you can afford based on income and DTI.

Compare current mortgage to a refinance; find break-even.

Target home down payment and monthly savings plan.

US home purchase closing costs — 2-5% of price.

Break down each payment into principal and interest.

Interest, payoff timeline and total cost of card debt.

Overall and per-card credit utilization ratio for FICO health.

Projected FICO score lift from cutting utilization and adding on-time months.

Estimate annual rewards value across spending categories.

Annual cashback earnings from card spending.

True annualized borrowing cost including upfront fees.

401(k) balance at retirement with employer match.

Tax-free retirement growth from Roth IRA contributions.

Future balance and tax deduction from Traditional IRA contributions.

Estimated monthly Social Security benefit at your chosen claim age.

Corpus needed for retirement with monthly savings plan.

Stress-test your withdrawal plan against sequence-of-returns risk.

DIME method: Debt + Income + Mortgage + Education − assets = coverage.

Ideal term plan sum assured.

Estimate US auto insurance premiums by state and driver profile.

Estimate US homeowners insurance from dwelling coverage.

Health cover needs for family and age.

How much long-term disability coverage you need.

Work done by a force at any angle plus power in watts, kilowatts and horsepower.

Kinetic energy, gravitational potential energy and total mechanical energy.

Linear momentum, impulse and average collision force from mass and velocity.

Solve v = u + at and s = ut + ½at² for final velocity, acceleration and displacement.

Range, maximum height, flight time and impact speed for any launch angle.

nPr, nCr, factorials and with-repetition counts for counting problems.

Monthly payment and payoff timeline for student loans.

Avalanche vs snowball payoff comparison across multiple student loans.

Project total college cost with annual tuition inflation and enrollment years.

Project a 529 plan balance and estimated state income-tax savings.

Weighted and unweighted GPA.

Final grade from weighted assignments.

Exact age in years, months, days plus totals and your next birthday.

Days, weeks, months and business days between any two dates.

Hours and minutes between two times, with breaks and decimal payroll hours.

Days, weeks and business days remaining until any target date.

Best bedtimes and wake-up times based on 90-minute sleep cycles.

Tip amount, total and per-person share with tax and rounding options.

Estimate GPT-style token counts for any text and check context-window fit.

Per-request, monthly and annual LLM API costs including prompt caching savings.

ROI on AI tools and SaaS subscriptions.

Check whether your system prompt, turns and reply fit the context window.