Multi-mode projectile motion calculator. Calculate trajectory, flight time, peak height, horizontal range, required launch angle, and initial velocity.

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🔢 Algebra Reference

Polynomial Multiplication Calculator

Multiply two polynomials online and see a detailed step-by-step solution. Supports binomials, trinomials, and higher-degree polynomials with FOIL breakdown for binomials.

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📁 Home & Construction

🏊‍♂️ Pool Care Reference

Pool Salt Calculator

Calculate how much salt (in lbs, kg, and 40 lb bags) you need to add to your saltwater pool based on pool volume and current salt ppm.

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🛣️ Paving Standard

Asphalt Calculator

Estimate the amount of asphalt you need for your paving project. Enter the area dimensions and asphalt thickness to calculate the estimated tons required.

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🧊 Material Volume Standard

Cubic Yard Calculator

Calculate cubic yards for concrete, gravel, mulch, soil, sand, or asphalt using project dimensions, mixed units, waste allowance, and optional material cost.

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📁 Finance & Payroll

💵 2026 Tax Standard

Nebraska Payroll Calculator

Estimate your 2026 Nebraska take-home pay from salary or hourly wages. See federal income tax, Nebraska withholding, Social Security, Medicare, and deductions.

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📁 Math & Conversions

🧪 Volume Standard

mL to Ounces Converter

Convert milliliters (mL) to US fluid ounces and Imperial fluid ounces. Includes 750 mL direct conversion, reverse converter, formulas, and conversion chart.

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