Commit Graph

5 Commits

Author SHA1 Message Date
Mehdi Chaouch 942a78a0a0 Add further new Functions introduced in MS Excel 2016 2018-12-10 20:18:35 +11:00
Mark Baker a5eb64c77f
Matrix (#790)
* Refactor Excel Matrix functions to use external Matrix library rather than JAMA
2018-11-29 22:25:31 +01:00
Mark Baker 1b96c95a44
Add new Complex Number Functions introduced in MS Excel 2013 (#601)
* - Refactored Complex Engineering Functions to use external complex number library
- Added calculation engine support for the new complex number functions that were added in MS Excel 2013
    - IMCOSH()  Returns the hyperbolic cosine of a complex number
    - IMCOT()   Returns the cotangent of a complex number
    - IMCSC()   Returns the cosecant of a complex number
    - IMCSCH()  Returns the hyperbolic cosecant of a complex number
    - IMSEC()   Returns the secant of a complex number
    - IMSECH()  Returns the hyperbolic secant of a complex number
    - IMSINH()  Returns the hyperbolic sine of a complex number
    - IMTAN()   Returns the tangent of a complex number
* Simplified the parseComplex() method in the PhpOffice\PhpSpreadsheet\Calculation\Engineering class, using Complex\Complex; and docblock flagged as deprecated
2018-07-25 14:38:44 +01:00
Mark Baker 9b44cf3418
Add further new Functions introduced in MS Excel 2013 and 2016 (#608)
- Fix ISFORMULA() function to work with a cell reference to another worksheet
 - Added calculation engine support for the new functions that were added in MS Excel 2013 and MS Excel 2016
   - Text Functions
     - CONCAT()     Synonym for CONCATENATE()
     - NUMBERVALUE()  Converts text to a number, in a locale-independent way
     - UNICHAR()    Synonym for CHAR() in PHPSpreadsheet, which has always used UTF-8 internally
     - UNIORD()     Synonym for ORD() in PHPSpreadsheet, which has always used UTF-8 internally
     - TEXTJOIN()   Joins together two or more text strings, separated by a delimiter
   - Logical Functions
     - XOR()        Returns a logical Exclusive Or of all arguments
   - Date/Time Functions
     - ISOWEEKNUM()  Returns the ISO 8601 week number of the year for a given date
   - Lookup and Reference Functions
     - FORMULATEXT()  Returns a formula as a string
   - Engineering Functions
     - ERF.PRECISE()   Returns the error function integrated between 0 and a supplied limit
     - ERFC.PRECISE()  Synonym for ERFC
   - Math and Trig Functions
     - SEC()          Returns the secant of an angle
     - SECH()         Returns the hyperbolic secant of an angle
     - CSC()          Returns the cosecant of an angle
     - CSCH()         Returns the hyperbolic cosecant of an angle
     - COT()          Returns the cotangent of an angle
     - COTH()         Returns the hyperbolic cotangent of an angle
     - ACOT()         Returns the cotangent of an angle
     - ACOTH()        Returns the hyperbolic cotangent of an angle
  - Financial Functions
    - PDURATION()    Calculates the number of periods required for an investment to reach a specified value
    - RRI()          Calculates the interest rate required for an investment to grow to a specified future value
2018-07-22 19:17:04 +01:00
Adrien Crivelli 90da50f3c7
Reorganise documentation
We aim for long pages instead of several small one, to make
`CTRL+F`ing easier and URL less prone to changes in the future.
There is still way to improve it though...
2016-12-03 22:16:45 +09:00