Algowidgets

Generators for various barcode symbologies.

• QR Codes
• Code 128
• Code 39
• Standard 2 of 5
• Interleaved 2 of 5
• EAN-13 | EAN-8
• UPC-A | UPC-E

Calculators for units and measurements.

• Convert Length
• Convert Mass
• Add Decibells | Subtract Decibells

• Arithmetic: Add | Subtract | Multiply | Multiply by Scalar | Divide by Scalar | Element-Wise Power
• Common Matrix Operations: Adjoint | Cofactor | Characteristic Polynomial | Cholesky | Determinant | LU Decomposition | Gaussian Elimination | Minor | Inverse | Trace | Transpose | Norm | QR Decomposition
• Numeric Methods on Matrices: Eigenpairs | Eigenvalues | Eigenvectors | Inverse Power Method | QR Algorithm
• Other Matrix Operations: Invert Lower Triangular Matrix | Invert Upper Triangular Matrix Determinant of Submatrix | Column CombineMatrices | Is Square | Swap Rows | Extract Diagonal | Extract Sub Matrix | Is Symmetric |
• Comparisons and checks: Epsilon Compare | Check Eigenpair Precision
• To and From Text-Formats: Parse Matrix from String | Matrix to String | Matrix Array to String


• Complex arithmetic: Add | Subtract | Multiply | Multiply by Scalar | Divide by Scalar | Element Wise Power
• Common Complex Matrix Operations: Adjoint | Cofactor | Conjugate | Characteristic Polynomial | Determinant | Conjugate Transpose | Minor | Inverse | Trace | Transpose | Norm
• Numeric Methods on Complex Matrices: Eigenpairs | Eigenvalues | Eigenvectors | Inverse Power Method
• Other Complex Matrix Operations: DeterminantOfComplexSubmatrix | ExtractComplexSubMatrix | IsSquareComplexMatrix
• Complex Comparisons and checks: Epsilon Compare | Check Eigenpair Precision

• Mean | Median | Mode
• Variance | Variance Sample
• Standard Deviation | Standard Deviation Sample
• Covariance
• Covariance Matrix | Sample Covariance Matrix
• CorrelationMatrix
• Correlation
• Normal distribution: Random | Density | Quantile | Probability
• Log-normal distribution: Random | Density | Quantile | Probability
• Binomial distribution: Random | Density | Quantile | Probability
• Student t distribution: Random | Density | Quantile | Probability
• Poisson distribution: Random | Mass/Density | Quantile | Probability
• Uniform Sampling: Sample | Sample with Replacement | Sample from Array | Sample from Array with Replacement | Random Permutation
• Fisher-Yates Shuffle

• Add | Subtract | Multiply | Divide
• Add Complex | Subtract Complex
• Degree | Degree Complex
• Derivative | Evaluate Derivative
• Evaluate | Evaluate Complex | Evaluate with Horner's Method | Evaluate with Powers

• Durand-Kerner Method | Durand-Kerner Method Complex
• Find Roots | Find Roots Complex
• Laguerre's Method | Laguerre's Method with Repeated Division

• Add | Subtract | Multiply | Divide | Power
• Magnitude
• Dot Product | Cross Product
• Sum | Product
• Cumulative Sum | Cumulative Product

• Add | Subtract | Multiply | Divide
• Simplify
• Create Fraction from Number

• Add | Subtract | Multiply | Divide | Power | Square Root
• Polar complex numbers: Add polar | Subtract polar | Muliply polar | Divide polar | Power of polar
• Absolute | Argument | Conjugate
• Convert from polar | convert to polar

• Arithmetic Formulas: Operators | Functions
• Bitwise Formulas: Operators | Functions
• Boolean Formulas: Operators | Functions

• Integers: Add | Subtract | Multiply | Divide
• Fixed Point: Add | Subtract | Multiply | Divide

• General: Ceil | Floor | Round | Banker's Round | Truncate | Absolute | Max | Min | Squareroot | Exp | Logarithm | NaturalLogarithm | Power | Sign | IsInteger | DivisibleBy
• Trigonometric: Sin | Cos | Tan | Asin | Acos | Atan | Atan2 | Csc | Sec | Cot
• Hyperbolic: Sinh | Cosh | Tanh | Sech | Csch | Coth
• Number theory: Greatest Common Divisor (GCD) | Least Common Multiple (LCM) | Bernouilli Number | Beta | LogGamma | Rising Factorial | Falling Factorial | Hypergeometric | Lanczos Approximation | Error | Inverse Error | Gamma | Akiyama-Tanigawa Algorithm
• Combinatorics: Factorial | Combinations | Permutations
• Comparison: Epsilon Comparizon

• Date Is Valid
• Is Leap Year
• Days between Dates
• Get Year from Day Number | Get Month from Day Number
• Days to Date | Date to Days
• Weekday Number from Date
• Add Days to DateTime | Add Weeks to DateTime

• Get Seconds from DateTime | Get DateTime from Seconds
• Get Seconds from Days | Get Days from Seconds
• Get Seconds from Weeks | Get Weeks from Seconds
• Add Seconds to DateTime | Add Minutes to DateTime | Add Hours to DateTime

• Get Minutes from Seconds | Get Seconds from Minutes
• Get Hours from Seconds | Get Seconds from Hours

• Encode | Decode
• Encode From Numbers | Decode To Numbers
• Base64 Character for Number
• Is Valid Base64 Character

• Convert Unicode to UTF-8
• Convert UTF-8 to Unicode

• Check ISIN
• Compute ISIN Check Digit | Extend ISIN with Check Digit
• ISIN Symbol to Code | ISIN to Numeric Code

• Luhn Check
• Luhn Compute Check Digit
• Luhn Extend with Check Digit

• Norwegian Personal Identification Numbers (Fødselsnummer)
• Check Organization Number
• Is Valid Municipality Number
• Get Municipality Name from Number
• Is Valid Postal Number
• Get Postal Name from Number