- Fraction Calculator
- Matrix Calculator
- Slope Calculator
- Algebra Calculator
- Trigonometry Calculator
- Percentage Calculator
- Probability Calculator
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Nature of Roots CalculatorFind the discriminant of a quadratic equation and determine the nature of its roots — two real, one repeated, or two complex conjugate roots.
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Slope-Intercept from Standard Form CalculatorConvert a linear equation Ax + By = C into slope-intercept form y = mx + b. Instantly find the slope m = -A/B and y-intercept b = C/B.
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Equivalent Ratios CalculatorGenerate equivalent ratios by scaling a:b with a multiplier, and check if two ratios a:b and c:d are equal using cross multiplication.
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X and Y Intercepts of a Line CalculatorFind the x-intercept and y-intercept of a line from its equation ax + by + c = 0. Enter coefficients a, b, c to get both intercepts instantly.
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Percentage of Income Spent on Rent CalculatorFind out what percentage of your monthly income goes to rent. Enter your rent and income to check affordability against the 30% rule.
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Percent of Salary CalculatorCalculate what a given percentage of your salary equals. Enter your salary and a percent to instantly find the dollar amount and the remainder.
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Tip Amount From Percentage CalculatorCalculate the tip amount from any percentage, see your total bill, and split it evenly between people. Fast, free gratuity calculator for any currency.
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Loan-to-Value (LTV) Percentage CalculatorCalculate your loan-to-value (LTV) ratio instantly. Enter your loan amount and property value to find the LTV percentage and your home equity.
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Percent Grade (Slope) CalculatorCalculate percent grade and slope from two points. Enter X/Y coordinates to get rise/run, slope ratio, grade percentage, and angle of incline.
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Solve Quadratic by Factoring CalculatorSolve any quadratic equation ax²+bx+c=0 by factoring. Get both roots, the discriminant, and step-by-step factor logic instantly.
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Part of a Whole CalculatorFind the part, whole, or percent in any part-of-a-whole problem. Solve part = percent/100 × whole instantly with this free percentage ratio calculator.
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Percent Proportion CalculatorSolve percent word problems with the proportion part/whole = percent/100. Find the missing part, whole, or percent instantly with full steps.
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Markup & Markdown CalculatorCalculate the final price after a percent markup or markdown. Enter an original price and percentage to see the new price and the dollar change instantly.
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Profit Margin and Markup CalculatorCalculate profit margin, markup percentage, and gross profit from cost and selling price. Free, instant business pricing calculator for any currency.
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Evaluate an Algebraic Expression CalculatorEvaluate the algebraic expression a·x² + b·x + c·y + d by substituting your values for x and y. See each term and the simplified result instantly.
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How Much Is X Percent Off CalculatorFind out how much you save and what you pay when an item is X percent off. Enter the price and discount percent for instant savings and final price.
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Solve for x: Variables on Both Sides CalculatorSolve linear equations of the form ax + b = cx + d. Enter the coefficients and constants to find x instantly, with full steps shown.
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What Percent Off CalculatorFind the percent discount between an original price and a sale price. Enter both prices to see the percent off and the amount you saved instantly.
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Unemployment Rate CalculatorCalculate the unemployment rate as a percentage of the labor force from the number of unemployed people and the total labor force. Free and instant.
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Degree and Leading Coefficient of a Polynomial CalculatorFind the degree and leading coefficient of any polynomial. Enter coefficients highest-power first and instantly get the degree, leading term, and term count.
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Completing the Square CalculatorSolve any quadratic equation ax² + bx + c = 0 by completing the square. Get real roots, the discriminant, and the vertex instantly.
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Win-Loss-Tie Percentage CalculatorCalculate a team or player win percentage from wins, losses, and ties. Ties count as half a win, the standard sports winning percentage formula.
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Percent Increase to Find New Value CalculatorFind the new value after a percent increase or decrease. Enter the original value and the percent change to get the resulting amount instantly.
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Batting Average CalculatorCalculate a baseball or softball batting average (AVG) instantly from hits and at-bats. Get the standard 3-decimal AVG plus the percentage form.
