The statistics WINDEV, WEBDEV and WINDEV Mobile propose several functions used to perform statistical calculations...... MatError (Function) Identifies the type of the last error caused by a Matxxx function (functions for matrix management). Error 103: The type is unknown Binding an Edit control to an item An Edit control can be bound to an item in a data file, query, etc, ...... Using the advanced types The advanced types (XLS variables, ggl variables, ...... Converting C types Depending on the type of programming, it may be useful to know the correspondence between the types used in C and the types used in WLanguage...... FinRedemption (Function) Creates an amortization matrix for a fixed-rate loan over a defined period of time. Hour (Property) The Hour property is used to: Get the time from a variable of type Time or DateTime, or the number of hours from a variable of type Duration. Change the time in a variable of type Time or DateTime, or the number of hours in a variable of type Duration. Retrieve the time or the number of hours from a Date item (in "Date and time" or "Duration" format) or from a Time item. Modify the time or the number of hours in a Date item (in "Date and time" or "Duration" format) or in a Time item.... <Chart>.SeriesType (Function) Defines the type of series used in a composite chart (chart containing several types of charts). grSeriesType (Function) Defines the type of series used in a composite chart (chart containing several types of charts). The matrices WINDEV, WINDEV Mobile and WEBDEV propose several functions used to handle matrices...... 3. Types of dynamic sites A dynamic site is used to display pages whose content changes. In most cases, the content of these pages is linked to a database.... Different types of data (Type of variable) A variable is defined by name and type...... MatWrite (Function) Writes an element into a matrix. MatMultiply (Function) Multiplies two matrices. MatDelete (Function) Deletes an existing matrix. MatTranspose (Function) Calculates the transposed matrix. MatCopy (Function) Creates the copy of a matrix. Typecasting of parameters The description of the parameter type is optional...... MatInvert (Function) Calculates the inverse of a square matrix. MatRead (Function) Reads the value of a matrix element. MatFloatAdd (Function) Adds a value to each matrix element. MatFloatMultiply (Function) Multiplies each matrix element by a value. MatExist (Function) Checks the whether the matrix exists in memory. MatStack (Function) Compresses the memory footprint occupied by a matrix.