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    Variable
    Result format
    • Fraction
      •
      Scientific Constant
      • 1
        Proton mass
        1.67262189821e-27
        kg
        mp
      • 2
        Neutron mass
        1.67492747121e-27
        kg
        mn
      • 3
        Electron mass
        9.1093835611e-31
        kg
        me
      • 4
        Muon mass
        1.88353159448e-28
        kg
        mµ
      • 5
        Bohr radius
        5.291772106712e-11
        m
        a₀
      • 6
        Planck constant
        6.62607004081e-34
        Js
        h
      • 7
        Nuclear magneton
        5.05078369931e-27
        JT-1
        µN
      • 8
        Bohr magneton
        9.27400999457e-24
        JT-1
        µB
      • 9
        Planck constant,rationalized
        1.05457180013e-34
        Js
        ℏ
      • 10
        Fine-structure constant
        0.007297352566417
        α
      • 11
        Classical electron radius
        2.817940322719e-15
        m
        re
      • 12
        Compton wavelength
        2.426310236711e-12
        m
        λc
      • 13
        Proton gyromagnetic ratio
        267522190.018
        s-1T-1
        γp
      • 14
        Proton Compton wavelength
        1.3214098539661e-15
        m
        λcp
      • 15
        Neutron Compton wavelength
        1.3195909048188e-15
        m
        λcn
      • 16
        Rydberg constant
        10973731.56850865
        m-1
        R∞
      • 17
        Atomic mass constant
        1.6605390402e-27
        kg
        u
      • 18
        Proton magnetic moment
        1.410606787397e-26
        JT-1
        µp
      • 19
        Electron magnetic moment
        -9.28476462057e-24
        JT-1
        µe
      • 20
        Neutron magnetic moment
        -9.662365023e-27
        JT-1
        µn
      • 21
        Muon magnetic moment
        -4.490448261e-26
        JT-1
        µµ
      • 22
        Faraday constant
        96485.332895
        Cmol-1
        F
      • 23
        Elementary charge
        1.602176620898e-19
        C
        e
      • 24
        Avogadro constant
        6.02214085774e+23
        mol-1
        NA
      • 25
        Boltzmann constant
        1.3806485279e-23
        JK-1
        k
      • 26
        Molar volume of ideal
        0.02271094713
        m3mol-1
        Vm
      • 27
        Molar gas constant
        8.3144598484848
        Jmol-1K-1
        R
      • 28
        Speed of light in vacuum
        299792458
        ms-1
        C₀
      • 29
        First radiation constant
        3.74177179046e-16
        Wm2
        C₁
      • 30
        Second radiation constant
        0.014387773683
        mK
        C₂
      • 31
        Stefan-Boltzmann constant
        5.67036713e-8
        Wm-2K-4
        σ
      • 32
        Electric constant
        8.854187817e-12
        Fm-1
        ε₀
      • 33
        Magnetic constant
        0.00000125663706
        NA-2
        µ₀
      • 34
        Magnetic flux quantum
        2.06783383113e-15
        Wb
        φ₀
      • 35
        Standard acceleration of gravity
        9.80665
        ms-2
        g
      • 36
        Conductance quantum
        0.00007748091731018
        S
        G₀
      • 37
        Characteristic impedance of vacuum
        376.730313461
        Ω
        Z₀
      • 38
        Celsius temperature
        273.15
        K
        t
      • 39
        Newtonian constant of gravitation
        6.6740831e-11
        m3kg-1s-2
        G
      • 40
        Standard atmosphere
        101325
        Pa
        atm
      Metric Conversions
      • 1
        in→cm
        inch (in) ► centimeter (cm)
      • 2
        cm→in
        centimeters to inches
      • 3
        ft→m
        foot (ft) ► meter (m)
      • 4
        m→ft
        meters to feet
      • 5
        yd→m
        yard (yd) ► meter (m)
      • 6
        m→yd
        meters to yards
      • 7
        mile→km
        mile (mi) ► kilometer (km)
      • 8
        km→mile
        kilometers to miles
      • 9
        n mile→m
      • 10
        m→n mile
      • 11
        acre→m²
        acre (based on U.S. survey foot)► square meter (m²)
      • 12
        m²→acre
        square meters to acres
      • 13
        gal(US)→L
        gallon (U.S.) (gal) ► liter (L)
      • 14
        L→gal(US)
        liters to US gallons
      • 15
        gal(UK)→L
        gallon [Canadian and U.K. (Imperial)] (gal) ► liter (L)
      • 16
        L→gal(UK)
        Liters to UK gallons
      • 17
        pc→km
        parsec (pc) ► meter (m)
      • 18
        km→pc
      • 19
        km/h→m/s
        kilometer per hour (km / h) ► meter per second (m / s)
      • 20
        m/s→km/h
        meters/second to kilometers/hour
      • 21
        oz→g
        ounce (avoirdupois) (oz) ► gram (g)
      • 22
        g→oz
        grams to ounces
      • 23
        lb→kg
        pound (troy or apothecary) (lb) ► kilogram (kg)
      • 24
        kg→lb
        kilograms to pounds
      • 25
        atm→Pa
        atmosphere, standard (atm) ► pascal (Pa)
      • 26
        Pa→atm
        Pascals to atmospheres
      • 27
        mmHg→Pa
        millimeter of mercury, conventional (mmHg) ► pascal (Pa)
      • 28
        Pa→mmHg
        Pascals to millimeters of mercury
      • 29
        hp→kW
        horsepower (550 ft · lbf / s) (hp) ► kilowatt (kW)
      • 30
        kW→hp
        kilowatt (kW) ► horsepower (550 ft · lbf / s) (hp)
      • 31
        kgf/cm²→Pa
        kilogram-force per square centimeter(kgf/cm2)) ► pascal (Pa)
      • 32
        Pa→kgf/cm²
      • 33
        kgf•m→J
      • 34
        J→kgf•m
      • 35
        lbf/in²→kPa
        pound-force per square inch (psi) (lbf/in2) ► pascal (Pa)
      • 36
        kPa→lbf/in²
      • 37
        °F→°C
        degree Fahrenheit (temperature) (ºF) ................... degree Celsius (ºC)
      • 38
        °C→°F
        Celsius to Farenheit
      • 39
        J→cal
        joule (J) ► calorieIT (calIT)
      • 40
        cal→J
        calorieIT (calIT) ► joule (J)
      Hyperbolic
      • 1
        Sinh(value)
        Hyperbolic sine
      • 2
        Cosh(value)
        Hyperbolic cosine
      • 3
        Tanh(value)
        Hyperbolic tangent
      • 4
        Coth(value)
        Hyperbolic cotangent
      • 5
        Sech(value)
        Hyperbolic secant
      • 6
        Csch(value)
        Hyperbolic cosecant
      • 7
        ArcSinh(value)
        Hyperbolic arcsine
      • 8
        ArcCosh(value)
        Hyperbolic arccosine
      • 9
        ArcTanh(value)
        Hyperbolic arctangent
      • 10
        ArcCoth(value)
        Inverse hyperbolic cotangent
      • 11
        ArcSech(value)
        Inverse hyperbolic secant
      • 12
        ArcCsch(value)
        Inverse hyperbolic cosecant
        • Additional trigonometric functions
      • 13
        Cot(expr)
        the cotangent function
      • 14
        ArcCot(z)
        returns the inverse cotangent of z
      • 15
        Sec(z)
        returns the secant of z
      • 16
        ArcSec(z)
        returns the inverse secant of z
      • 17
        Csc(z)
        returns the cosecant of z
      • 18
        ArcCsc(z)
        returns the inverse cosecant of z
      COMPLEX
      • 1
        Arg
        Argument of the complex number
      • 2
        Conjugate
        Conjugate of the complex number
      • 3
        Re
        Real component
      • 4
        Im
        Imaginary component
      • 5
        ▸r∠φ
        Displays the result in polar form
      • 6
        ▸a+bi
        Displays the result in rectangular form
      • 7
        Abs
        Returns the magnitude (modulus)
      Calculator Settings
      1 2 3 4 5 6 7 8 9 10
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      • The Comma , key will insert Decimal Separator
      Reset setting confirm
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      Matrix
      • 1
        Insert Matrix
      • 2
        Det(matrix)
        Calculates the determinant
      • 3
        Inverse(matrix)
        Compute the inverse of the matrix
      • 4
        MatrixRank(matrix)
        returns the rank of matrix
      • 5
        Transpose(matrix)
        Transposes the matrix
      • 6
        IdentityMatrix(dimension)
        Returns the identity matrix
      • 7
        RowReduce(matrix)
        Return the reduced row-echelon form
      • 8
        CharacteristicPolynomial(matrix, var)
        Computes the characteristic polynomial of a matrix for the variable var
      • 9
        Diagonal(list)
        Computes the diagonal vector of the matrix
      • 10
        DiagonalMatrix(list)
        Gives a matrix with the values in list on its diagonal and zeroes elsewhere
      • 11
        Eigenvalues(matrix)
        Get the numerical eigenvalues of the matrix
      • 12
        Eigenvectors(matrix)
        Get the numerical eigenvectors of the matrix
      • 13
        LeastSquares(matrix, right)
        Solves the linear least-squares problem 'matrix.x = right'
      • 14
        LinearSolve(matrix, right)
        Solves the linear equation system 'matrix.x = right' and returns one corresponding solution x
      • 15
        LUDecomposition(matrix)
        Calculate the LUP-decomposition of a square matrix
      • 16
        NullSpace(matrix)
        Returns a list of vectors that span the nullspace of the matrix
      • 17
        PseudoInverse(matrix)
        Computes the Moore-Penrose pseudoinverse of the matrix. If matrix is invertible, the pseudoinverse equals the inverse
      • 18
        SingularValueDecomposition(matrix)
        Calculates the singular value decomposition for the matrix
      Insert Matrix
      Matrix dimensions
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