SergeiStPete

/*
calc(n) - integrates aggregation function with
            BYROW() or BYCOL(), where
            n - number of aggregation function
That is simple sample without error handling
and help output.

Used as:
=BYROW( range, calc(n) )

jimpea

/*
Append two ranges horizontally. 

Inputs:
    - range1: the first range
    - range2: the second range
    - default: the value entered into missing rows.

Return: The merged ranges, with empty rows filled with the default value. Missing
value within either of the two ranges filled with zeros (0). The number of rows

jkpieterse

cpreg1 = LAMBDA(temp, press,
    LET(
        tau, 1386 / temp,
        pi, 0.1 * press / 16.53,
        -0.001 * rgas_water * tau ^ 2 * gammatautaureg1(tau, pi)
    )
);

cpreg2 = LAMBDA(temp, press,
    LET(

over40dev

/* See YouTube - Excel RECURSIVE Lambda (https://youtu.be/L7s6Dni1dG8) */
/*
    FUNCTION NAME: MegaReplace
    DESCRIPTION: Recursive LAMBDA for clean data given errors to look for and corrections. Recursively calls MegaReplace using Offset for Before|After table cells until end of table (i.e. blank cell)
    ARGS:
        text_to_correct: Contains the first table cell of data to be cleaned,
        before_text: First cell of Before|After table of corrections [BEFORE] column,
        after_text: First cell of Before|After table of corrections [AFTER] column
    EXAMPLE:
        =MegaReplace([@Skills],$F$3,$G$3) // Skills is column in main table; F | G are first cells in Before|After table

nsolnit

/**Cumulative sum over array*/
CSUM = LAMBDA(arr,
    SCAN(0,arr,LAMBDA(a,c,a+c)));

/**Ignores Null ref (empty, space or 0), returns "" or VAl if provided*/
IFN = LAMBDA(REF,FUN,[VAL],
IF(OR(REF="",REF=" ",REF=0),IF(ISOMITTED(VAL),"",VAL),FUN)
);

/**1D linear interpolation, set SORTED=0 for unsorted data - presorting data recommended*/

ExcelRobot

/*
Name: Direct Precedents (DIRECTPRECEDENTS)
Description: Lists all direct precedents for specified cell.
Author: Excel Robot (@ExcelRobot)
Category: Formula
*/
DIRECTPRECEDENTS = LAMBDA(cell,LET(
   tokens, TOKENIZEFORMULA(OFFSET(cell,0,0,1,1)),
   isterm, INDEX(tokens,,1)="Term",
   activesheetname, MID(CELL("filename",INDIRECT("$A$1")),FIND("]",CELL("filename",INDIRECT("$A$1")))+1,999),

ExcelRobot

/*
Name: Convert Number To Ordinal (ADDTH)
Description: Converts number to ordinal ie: 1st, 2nd, 3rd, 4th, 11th, 12th, 13th, 21st, etc.
Author: Excel Robot (@ExcelRobot)
Inspired By: Rick de Groot (https://www.linkedin.com/posts/rickmaurinus_powerbi-businessintelligence-dax-activity-6920723485937790976-Wzdb?utm_source=linkedin_share&utm_medium=member_desktop_web)
Category: Conversion
*/
ADDTH = LAMBDA(number,LET(
    LastDigit, RIGHT(number),
    LastTwo, RIGHT(number, 2),

SergeiStPete

/*
Partly taken from samples to AFE
https://github.com/microsoft/advanced-formula-environment
more exactly from
https://github.com/microsoft/advanced-formula-environment/blob/main/examples/Lib.md
*/

// ======================================================================================================
// Timing a computation wrapped in a thunk

ExcelRobot

/*
Name: Unpivot Table (UNPIVOT)
Description: Given a table range with headers and array of header names, unpivots the 
   specified columns in place, optionally removing any blank entries.
Written By: Excel Robot (@ExcelRobot)
Category: Array
*/
UNPIVOT=LAMBDA(table,[columns_to_unpivot],[attribute_name],[value_name],[remove_blanks], LET(
   _ColumnsToUnpivot, IF(
      ISOMITTED(columns_to_unpivot),

CHatmaker

/*  Module Contains 5g Compliant LAMBDAs that deal with dates */

/*  FUNCTION NAME:  Aboutλ
    DESCRIPTION:*//**Displays the URL to this module's Gist which includes documentation*/
/*  REVISIONS:      Date        Developer       Description  
                    Mar 17 2023 Craig Hatmaker  Original Development
                    Mar 22 2023 Craig Hatmaker  Added About
                    Apr 06 2023 Craig Hatmaker  Added Help to LAMBDAs
                    Aug 28 2023 Craig Hatmaker  Conformed to new template
                    Jan 02 2024 Craig Hatmaker  See CountDOWλ