Semi Ellipse Equation Calculator Find the semi-ellipse equation, solve for y at any valid x-value, and instantly visualize the upper or lower half of an ellipse with a premium interactive chart. Equation Solver Upper and Lower Semi Ellipse Area, Eccentricity,…
ATO Tax Estimator Tax Payment Calculator ATO Estimate your Australian income tax, Medicare levy, refund or amount payable, and a practical payment plan based on your chosen frequency. This calculator is designed for quick planning and educational use using current…
Semi Sextile Calculator Find the exact angular relationship between two zodiac placements, measure orb tolerance, and see instantly whether the pair forms a semi-sextile aspect. This calculator converts sign, degree, and minute into full-circle longitude, compares both points, and visualizes…
PAYG Instalments Calculator ATO Estimate your PAYG instalments using an easy, premium calculator built for Australian taxpayers, sole traders, companies, trusts, and super funds. Enter your expected income, deductions, credits, and payment schedule to model likely instalments before you lodge.…
Is the ATO Tax Calculator Accurate? Use this premium Australian tax estimator to test your likely annual tax, Medicare levy, and take-home pay using 2024 to 2025 rates. Then read the expert guide below to understand when the ATO tax…
Semi Major Axis Orbit Calculator Calculate the semi major axis of an orbit from orbital period or from periapsis and apoapsis distances. This interactive tool is designed for students, satellite analysts, aerospace engineers, and science writers who need a fast,…
Optimization Calculator Maximize Area of Rectangle Calculator Find the rectangle with the largest possible area for a fixed perimeter. This calculator uses the classic optimization result that a rectangle reaches its maximum area when all sides are balanced, which means…
ATO Foreign Income Tools Foreign Income Conversion Calculator ATO Convert salary, contractor earnings, dividends, rental income, and foreign tax paid into Australian dollars using a clean, ATO-focused workflow. Use preset rates for quick estimates or enter your own exchange rate…
Semi Monthly Pay Calculator 2020 Estimate your 2020 gross and net semi monthly paycheck with a polished calculator built for 24 pay periods per year. Enter your annual salary, tax filing status, pre tax deductions, extra withholding, and state tax…
Semi Trailer Design Calculations Calculator Use this premium engineering calculator to estimate trailer tare weight, gross operating weight, axle load distribution, kingpin load, distributed payload per meter, and floor loading for common semi trailer concepts. It is ideal for early-stage…