Excel-ready finance tool Semi Annual Interest Calculator Excel Estimate future value, total interest earned, and growth by six-month periods. This premium calculator mirrors the logic you would use in Excel when interest compounds semi annually. Initial investment Starting balance or…
ATO 2015 Wage Gross Up Estimator Gross Up Wages Calculator ATO 2015 Use this premium calculator to estimate the gross salary needed to achieve a target net wage under Australian 2015-16 tax settings. It applies ATO resident or non-resident marginal…
How to Calculate to Get Maximum Student Loan Interest Deduction Use this premium calculator to estimate your allowable student loan interest deduction, see whether your income triggers a phaseout, and learn what it takes to reach the full deduction. This…
Maxim Integrated Energy Cost Calculator Estimate the annual cost of electricity, natural gas, diesel backup fuel, demand charges, and maintenance in one premium calculator. Use it to model current energy spend, test solar or efficiency offsets, and understand where your…
Formula for Calculating Degree of Operating Leverage Use this premium calculator to measure how sensitive operating profit is to changes in sales. The degree of operating leverage, or DOL, helps managers, analysts, founders, and investors understand how fixed costs amplify…
Income Tax Calculator ATO 2015 Estimate Australian individual income tax for the 2015-16 tax year using resident or non-resident tax rates, optional Medicare levy treatment, deductible expenses, and salary sacrifice adjustments. This calculator is designed for quick planning and educational…
How to Maximize 401k Calculator Estimate how much you need to contribute each pay period to max out your 401(k), see your projected employer match, and visualize how your savings could grow over time. This calculator is designed for workers…
Comprehensive ATO Tax Calculator Estimate Australian income tax, Medicare levy, optional student loan repayments, and your likely refund or amount payable using current and prior ATO style tax settings. ATO tax calculator Enter your income, deductions, tax withheld, and residency…
Semi Annual Payment Calculator Bond Estimate a bond’s semi annual coupon payment, total coupon income, and theoretical present value using standard bond pricing math. Enter the face value, coupon rate, years to maturity, and required yield to see how changing…
Local Maxima, Minima, and Saddle Calculator Analyze a two-variable quadratic surface of the form f(x, y) = ax² + bxy + cy² + dx + ey + f. This premium calculator finds the critical point, evaluates the Hessian test, classifies…