YOUR EVERYDAY TOOLBOX
Finance15
Browse every tool included in BangBang. Each page explains the task, how to use it and how its workspace is designed.
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Fixed-payment Loan
Estimate payments, total interest, fees, and amortization for a fixed-rate installment loan, or solve for one loan variable.
FinanceCompound Growth
Estimate how an initial balance and recurring contributions grow at a given return and compounding frequency.
FinanceSalary Converter
Convert pre-tax pay among hourly, daily, weekly, monthly, and annual frequencies.
FinanceRent Affordability
Compare income-ratio and cash-flow limits for a monthly rent scenario.
FinanceAuto Loan
Estimate vehicle financing, trade-in equity, manual tax and total purchase costs.
FinanceRefinance Comparison
Compare fixed-loan payments, costs, payoff balances and break-even months.
FinanceAverage Return
Compare arithmetic, geometric, cumulative and annualized returns.
FinanceGDP Calculator
Sum expenditure or income components with a consistent data basis.
FinanceDebt Payoff
Compare fixed monthly debt plans with same-month payment rollover.
FinanceInflation Purchasing Power
Compare U.S. purchasing power using a frozen official CPI-U snapshot.
FinanceCollege Cost Scenario
Estimate yearly tuition, living costs, funding and uncovered costs.
FinanceAnnuity Values
Solve fixed annuity values with explicit payment timing and cash-flow signs.
FinanceHouse Affordability
Explore housing budgets with debt, down payment, tax and loan assumptions.
FinanceRetirement Projection
Compare savings, retirement spending and gaps under explicit assumptions.
FinanceU.S. Social Security Estimate
Compare claiming ages using annual earnings and a dated SSA rule snapshot.