How to Calculate Relative Minima and Maxima Use this interactive extrema calculator to find critical points, classify them as relative minima or maxima, and visualize the function on a live chart. Extrema Calculator Cubic coefficient a Quadratic coefficient b Linear…
Energy of a Photon Given Wavelength Calculator Use this premium physics calculator to convert wavelength into photon energy instantly. Enter a wavelength value, choose the unit, and calculate the photon energy in joules and electronvolts. The tool also shows frequency…
Medicare Levy Calculator ATO Guide Estimate your Australian Medicare levy using an ATO-style threshold model. Enter your income, family status, senior and pensioner eligibility, and dependants to see whether you pay no levy, a reduced levy, or the full 2%…
ATO Travel Expenses Calculator Estimate your potential work-related travel deduction using common ATO expense categories such as transport, accommodation, meals, incidentals, conference costs, and car travel. This calculator is designed for educational planning and record-keeping support, not as tax advice.…
Energy Calculate Chemistry Joules per Photon Calculator Quickly calculate photon energy in chemistry using wavelength, frequency, or wavenumber. This interactive calculator applies Planck’s equation and displays results in joules per photon, electronvolts, kilojoules per mole, and related scientific values commonly…
Cardiovascular Physiology Interactive Calculator Evidence-Informed How to Calculate Maximal Cardiac Output Estimate maximal cardiac output using heart rate and stroke volume. This calculator computes resting cardiac output, estimated maximal heart rate, maximal cardiac output, and cardiac reserve so you can…
ATO aligned calculator Capital Gains Tax Calculation ATO Calculator Estimate your Australian capital gain, available discount, carried forward loss offset, and an indicative tax outcome using a premium calculator built for investors, property owners, and share traders. Enter your CGT…
ATO Weekly Pay Calculator Estimate your weekly gross pay, PAYG tax, Medicare levy, HELP repayment and weekly net pay using current Australian tax settings. This calculator is designed for fast planning, salary reviews, budgeting and understanding what actually lands in…
How to Find the Semi-Annual Interest Rate Using a Calculator Use this premium calculator to convert an annual rate into a semi-annual rate, derive the semi-annual rate from APY, or solve for the semi-annual periodic rate from present value and…
Maxima and Minima Calculator 3 Variables Use this advanced calculator to find the critical point of a quadratic function in three variables, evaluate the function at that point, and classify it as a local maximum, local minimum, saddle point, or…