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Data & Calculators
1770 appsData & Calculators: Math Calculators
Calculator · CalculateCircular Sector Area, Arc and Chord RelationshipsCalculate circular sector area, arc and chord relationships with retained unit controls, positive geometric roots and explicit inverse-branch assumptions.Calculator · CalculateCircular Sector Boundary with Two Radial EdgesCalculate circular sector boundary with two radial edges with retained unit controls, positive geometric roots and explicit inverse-branch assumptions.Calculator · CalculateCircumference with Radius and Diameter ControlsCalculate circumference with radius and diameter controls with bidirectional inputs, compatible units and clear geometric assumptions.Calculator · CalculateClock-Hand Directional Hour–Minute AnglesCalculate both directed angles between hour and minute hands for a twelve-hour analog clock.Calculator · CalculateClosed Cone Surface from Radius, Circumference and SlantClosed Cone Surface from Radius, Circumference and Slant. Convert compatible units, recover unknown dimensions and distinguish curved surfaces, bases and total measures.Calculator · CalculateClosed Cylinder Surface, Volume and Axial DiagonalClosed Cylinder Surface, Volume and Axial Diagonal. Convert compatible units, recover unknown dimensions and distinguish curved surfaces, bases and total measures.Calculator · CalculateCommon Factor CalculatorList all positive factors shared by two or more whole numbers.Calculator · CalculateCompare Two Signed Numbers or DecimalsCompare two real numeric values and show whether the first is greater than, equal to or less than the second.Calculator · CalculateComplex Conjugate & Magnitude from Real ComponentsFind the conjugate of a complex number by reversing its imaginary component, and calculate its nonnegative magnitude.Calculator · CalculateComplex Magnitude & Phase to a + biConvert a complex number’s nonnegative magnitude and phase to its real and imaginary components.Calculator · CalculateComplex Magnitude & Phase to Real and Imaginary PartsTurn a complex number’s nonnegative magnitude and phase into its real and imaginary components, with degree and radian inputs.Calculator · CalculateComplex Number Modulus & Principal ArgumentFind the modulus and principal argument of a complex number from its real and imaginary components.Calculator · CalculateComplex Number Trigonometric Amplitude & PhaseObtain the radius and phase used in z = r(cos φ + i sin φ), with degree, radian and π-radian displays.Calculator · CalculateComplex Real/Imaginary Parts to Polar FormCalculate magnitude and principal phase from real and imaginary components, with degree/radian angle display.Calculator · CalculateCone and Circular Frustum Volume in Separate SectionsCone and Circular Frustum Volume in Separate Sections. Convert compatible units, recover unknown dimensions and distinguish curved surfaces, bases and total measures.Calculator · CalculateCone Curved Surface Area and Closed TotalCone Curved Surface Area and Closed Total. Convert compatible units, recover unknown dimensions and distinguish curved surfaces, bases and total measures.Calculator · CalculateCone Diameter with Height, Slant and Surface ControlsCone Diameter with Height, Slant and Surface Controls. Convert compatible units, recover unknown dimensions and distinguish curved surfaces, bases and total measures.Calculator · CalculateCone Radius from Volume, Height or Circular BaseCone Radius from Volume, Height or Circular Base. Convert compatible units, recover unknown dimensions and distinguish curved surfaces, bases and total measures.Calculator · CalculateConfidence Interval CalculatorEstimate a normal-theory confidence interval for a mean from a sample mean, deviation, and size.Calculator · CalculateConical Frustum Closed Surface and Slant LengthConical Frustum Closed Surface and Slant Length. Use unit controls and documented positive geometric roots to compare base, lateral and total measures.Calculator · CalculateConstant Annual Exponential Growth & DecayProject a positive quantity using a constant annual percentage rate, or solve for time, rate or starting value under the same model.Calculator · CalculateControl-Flow Graph Cyclomatic ComplexityCalculate McCabe’s control-flow complexity from edge, node and connected-component counts.Calculator · CalculateCosine of an Angle with Near-Zero SnappingNo. Its cosine is a read-only value displayed in the result note. Any real angle is accepted, including values outside triangle angles. Values with absolute cosine below 1e−15 are snapped to zero.Calculator · CalculateCube Capacity with Surface and Diagonal InversesCube Capacity with Surface and Diagonal Inverses. Use unit controls and documented positive geometric roots to compare base, lateral and total measures.Calculator · CalculateCube Edge, Face Diagonal, Space Diagonal and SizeCalculate cube edge, face diagonal, space diagonal and size with converted units, positive geometric inverses and explicit model limits.Calculator · CalculateCube Size from Edge, Volume, Surface or DiagonalCube Size from Edge, Volume, Surface or Diagonal. Use unit controls and documented positive geometric roots to compare base, lateral and total measures.Calculator · CalculateCube Surface, Volume and Face or Space DiagonalNo. A face diagonal is a√2, while the space diagonal is a√3. Each has its own control and label.Calculator · CalculateCuboid Capacity, Six-Face Area and Interior DiagonalCuboid Capacity, Six-Face Area and Interior Diagonal. Use unit controls and documented positive geometric roots to compare base, lateral and total measures.Calculator · CalculateCylinder Capacity in Cubic FeetCalculate cylinder capacity in cubic feet with converted units, positive geometric inverses and explicit model limits.Calculator · CalculateCylinder Capacity in Cubic InchesCalculate cylinder capacity in cubic inches with converted units, positive geometric inverses and explicit model limits.Calculator · CalculateCylinder Capacity in Cubic YardsCalculate cylinder capacity in cubic yards with converted units, positive geometric inverses and explicit model limits.Calculator · CalculateCylinder Capacity in Liters and Cubic UnitsCalculate cylinder capacity in liters and cubic units with converted units, positive geometric inverses and explicit model limits.Calculator · CalculateCylinder Capacity with US and Imperial Gallon ControlsCalculate cylinder capacity with us and imperial gallon controls with converted units, positive geometric inverses and explicit model limits.Calculator · CalculateCylinder Curved Side Surface AreaCalculate a cylinder’s lateral area from height and radius or diameter, excluding the two circular ends.Calculator · CalculateCylinder End Areas, Curved Side and Closed SurfaceCylinder End Areas, Curved Side and Closed Surface. Convert compatible units, recover unknown dimensions and distinguish curved surfaces, bases and total measures.Calculator · CalculateCylinder Height from Volume, Curved Area or Axial DiagonalCylinder Height from Volume, Curved Area or Axial Diagonal. Convert compatible units, recover unknown dimensions and distinguish curved surfaces, bases and total measures.Calculator · CalculateCylinder Radius from Capacity, Area and HeightCylinder Radius from Capacity, Area and Height. Convert compatible units, recover unknown dimensions and distinguish curved surfaces, bases and total measures.Calculator · CalculateCylinder Rim Circumference, Radius & DiameterConvert between the radius, diameter and circumference of a circular cylinder rim using consistent length units.Calculator · CalculateCylinder Volume, Radius, Diameter & HeightRelate a circular cylinder’s volume, height, radius and diameter using independent measurement units.Calculator · CalculateDecagon Area from Side, Perimeter or RadiusFind the area of a regular ten-sided shape from a known linear measurement, retaining its perimeter and circle radii.Calculator · CalculateDecimal ↔ Percentage ConverterConvert a decimal proportion into percent, or turn a percentage number back into its decimal form.Calculator · CalculateDecimal Angle ↔ Degrees, Minutes & SecondsConvert signed decimal degrees and compound degrees-minutes-seconds, with optional radians and other angle units.Calculator · CalculateDecimal Rounding to the Nearest HundredthRound a decimal number to the nearest 0.01, including negative values, with the rounding rule and precision behavior explained.Calculator · CalculateDistance Between Two Cartesian PointsCalculate straight-line distance between two points on a plane, with a documented single-branch inverse for missing coordinates.Calculator · CalculateDistance CalculatorCalculate straight-line distance, displacement, midpoint, and coordinate differences between two points.Calculator · CalculateDMS, Decimal Degrees & Angle Unit TableCompare degrees-minutes-seconds, decimal degrees and a third angle unit in the same table.Calculator · CalculateDodecagon Area, Side Length & Circle RadiiCalculate area and related dimensions for a regular twelve-sided outline with an illustrated radius and apothem guide.Calculator · CalculateDuration as a Percentage of Total TimeCompare a duration with a positive reference duration using separate time units.Calculator · Calculatee to a Power & Natural ExponentCalculate e raised to a real exponent and recover the exponent from a positive result, with a separate rounded display.Calculator · CalculateEllipse Area from Two Semi-AxesCalculate ellipse area from two semi-axes with converted units, positive geometric inverses and explicit model limits.Calculator · CalculateEllipsoid Volume from Three Semi-AxesCalculate ellipsoid volume from three semi-axes with converted units, positive geometric inverses and explicit model limits.Calculator · CalculateEqual-Leg Right Triangle Hypotenuse and AltitudeCalculate equal-leg right triangle hypotenuse and altitude with retained unit controls, positive geometric roots and explicit inverse-branch assumptions.Calculator · CalculateEqual-Leg Triangle Base and Apex AnglesNo. Enter the full base b. Its half b/2 appears only inside the formulas because the altitude bisects the base.Calculator · CalculateEquilateral Triangle Area and Perpendicular HeightCalculate equilateral triangle area and perpendicular height with retained unit controls, positive geometric roots and explicit inverse-branch assumptions.Calculator · CalculateEquilateral Triangle Side, Altitude and Circle RadiiCalculate equilateral triangle side, altitude and circle radii with retained unit controls, positive geometric roots and explicit inverse-branch assumptions.Calculator · CalculateEuclidean Residues and Signed Remainder ConventionsCalculate the nonnegative residue and the retained alternative signed-remainder conventions for a nonzero divisor.Calculator · CalculateEuclidean Vector Magnitude: 2D to 5DFind the Euclidean length of a vector with two, three, four or five real components.Calculator · CalculateExponent CalculatorRaise any real base to an integer or fractional exponent and show reciprocal forms for negative powers.Calculator · CalculateFactor CalculatorList every positive factor and factor pair for a whole number.Calculator · CalculateFibonacci Recurrence with Generalized SeedsEvaluate a Fibonacci-type recurrence at an integer index, with editable first two terms and negative-index support.Calculator · CalculateFloor: Round Down to an IntegerFind the greatest integer less than or equal to a number, including negative decimals.Calculator · CalculateFraction CalculatorAdd, subtract, multiply, or divide two fractions and reduce the answer to lowest terms.Calculator · CalculateFractional Power from Numerator and DenominatorFractional Power from Numerator and Denominator. Evaluate a real power or principal root, with reverse inputs where a unique solution exists.Calculator · CalculateGolden Rectangle Width, Extension and Full AreaThe full rectangle has width a and length a+b. Segment b is the extension beyond an a-by-a square. The area is a(a+b), equal to a²φ, rather than the area ab of the smaller remainder.Calculator · CalculateGolden Section Lengths and Whole SegmentYes. The longer-to-shorter ratio equals the whole-to-longer ratio, both φ. The whole is also the sum of the two positive sections. Any one length determines the others.Calculator · CalculateGreatest Common Factor CalculatorFind the greatest common factor of two or more whole numbers.Calculator · CalculateHalf-Disk Area, Diameter and Complete PerimeterYes. The full half-disk boundary is πr+2r. The curved semicircle by itself is only πr.Calculator · CalculateHalf-Life CalculatorCalculate the remaining amount, elapsed half-lives, and decay constant for exponential decay.Calculator · CalculateHemisphere Curved Area, Flat Base and Total SurfaceHemisphere Curved Area, Flat Base and Total Surface. Convert compatible units, recover unknown dimensions and distinguish curved surfaces, bases and total measures.Calculator · CalculateHemisphere Volume from Radius, Diameter or SurfaceHemisphere Volume from Radius, Diameter or Surface. Convert compatible units, recover unknown dimensions and distinguish curved surfaces, bases and total measures.Calculator · CalculateHeptagon Area from Linear MeasurementsWork between a regular heptagon’s area, side, perimeter, outer radius and apothem using its fixed seven-sided geometry.Calculator · CalculateHeron Triangle Area, Perimeter and Side RelationshipsCalculate heron triangle area, perimeter and side relationships with converted units, positive geometric inverses and explicit model limits.Calculator · CalculateHex CalculatorPerform exact arithmetic on hexadecimal integers and convert the result to decimal and binary.Calculator · CalculateHexagonal Pyramid Base, Lateral and Total SurfaceHexagonal Pyramid Base, Lateral and Total Surface. Use unit controls and documented positive geometric roots to compare base, lateral and total measures.Calculator · CalculateHexagonal Pyramid Capacity from Base Edge or ApothemHexagonal Pyramid Capacity from Base Edge or Apothem. Use unit controls and documented positive geometric roots to compare base, lateral and total measures.Calculator · CalculateHollow Cylinder Material Volume and Wall ThicknessHollow Cylinder Material Volume and Wall Thickness. Convert compatible units, recover unknown dimensions and distinguish curved surfaces, bases and total measures.Calculator · CalculateHypotenuse from an Equal Right-Triangle LegCalculate hypotenuse from an equal right-triangle leg with retained unit controls, positive geometric roots and explicit inverse-branch assumptions.Calculator · CalculateImaginary Unit Integer Power CycleImaginary Unit Integer Power Cycle. Find the symbolic value of i raised to a positive, zero or negative integer exponent.Calculator · CalculateInscribed Angle, Intercepted Arc and Central AngleYes. The intercepted arc lies opposite the inscribed vertex. The central sweep is twice the inscribed angle, and its radian value times radius gives arc length. Major arcs are allowed within the stated open bounds.Calculator · CalculateInteger Square Check and Root FactorsInteger Square Check and Root Factors. Check whether a number is the square of an integer and show its root-factor identity.Calculator · CalculateInverse Cosine — Principal AngleFind the principal inverse cosine angle from a value between −1 and 1, with degree and radian units.Calculator · CalculateInverse Cosine with Principal-Angle ReferencesInverse Cosine with Principal-Angle References. Find the principal inverse angle or convert a entered angle to its sine/cosine ratio.Calculator · CalculateInverse Sine — Principal AngleFind the principal inverse sine angle from a value between −1 and 1, with degree and radian units.Calculator · CalculateIsosceles Triangle Altitudes to Base and Equal LegCalculate isosceles triangle altitudes to base and equal leg with retained unit controls, positive geometric roots and explicit inverse-branch assumptions.Calculator · CalculateIsosceles Triangle Area from Equal Leg and BaseCalculate isosceles triangle area from equal leg and base with retained unit controls, positive geometric roots and explicit inverse-branch assumptions.Calculator · CalculateLeast Common Multiple CalculatorFind the least common multiple of two or more whole numbers.Calculator · CalculateLog CalculatorCalculate logarithms with any positive base, including common and natural logarithms.Calculator · CalculateLong Division CalculatorDivide whole numbers and show quotient, remainder, decimal result, and the division identity.Calculator · CalculateMatrix CalculatorAdd, subtract, multiply, transpose, or find the determinant of matrices up to 8 by 8.Calculator · CalculateMatrix Entrywise Product up to 3 × 3Multiply corresponding entries of two equally sized matrices, from 1 × 1 through 3 × 3, with signed and zero entries and retained inverse relations.Calculator · CalculateMatrix Scalar Multiplication, 1–3 Rows & ColumnsMultiply every entry of a matrix by one real scalar, with selectable dimensions through 3 × 3 and reversible nonzero-factor calculations.Calculator · CalculateMean, Median, Mode, Range CalculatorFind the mean, median, mode, range, sum, and count of a list of numbers.Calculator · CalculateModulo Remainders and Operation OrderingCalculate the nonnegative residue and the retained alternative signed-remainder conventions for a nonzero divisor.Calculator · CalculateNatural Logarithm & Exponential InverseCalculate the real natural logarithm of a positive number or recover the number from its logarithm.Calculator · CalculateNegative Logarithm with a Chosen BaseCalculate minus the logarithm of a positive number using a positive base other than one.Calculator · CalculateNegative Powers and Reciprocal EvaluationNegative Powers and Reciprocal Evaluation. Evaluate a real power or principal root, with reverse inputs where a unique solution exists.