Syntax parameter - (Optional) A value that you want to pass to the function, such as a cell reference, string or number. You can enter up to 253 parameters. calculation - (Required) The formula you want to execute and return as the result of the function. It must be the last argument and it must return a result. Tip We used a dynamic array formula in the example, you need to enable it with the following code Basic Usage Create the Lambda function in a cell Add the Lambda to the Name Manager, then use in a cell. Example Convert Fahrenheit to Celsius Find the hypotenuse Count words Compute the volume of a sphere
var data = { values: { 1: { 1: "Examples" }, 3: { 1: "Example 1: Convert Farenheit to Celsius", 8: "Convert Celsius to Farenheit" }, 4: { 1: "Define the following in Name Manager:", 8: "Define the following in Name Manager:" }, 5: { 1: "Name:", 3: "ToCelsius", 8: "Name:", 10: "ToFarenheit" }, 6: { 1: "Scope:", 3: "Workbook", 8: "Scope:", 10: "Workbook" }, 7: { 1: "Comment:", 3: "Convert a Farenheit temperature to Celsius", 8: "Comment:", 10: "Convert a Celsius temperature to Farenheit", }, 8: { 1: "Refers To:", 3: "=LAMBDA(temp,(5/9)*(temp-32))", 8: "Refers To:", 10: "=LAMBDA(temp,(9/5)*temp+32)", }, 9: { 1: "Data", 3: "Formula", 4: "Result", 8: "Data", 10: "Formula", 11: "Result" }, 10: { 1: 104, 8: 40 }, 11: { 1: 86, 8: 30 }, 12: { 1: 68, 8: 20 }, 13: { 1: 50, 8: 10 }, 14: { 1: 32, 8: 0 }, 16: { 1: "Example 2: Find the hypotenuse", 8: "Find the hypotenuse using a range" }, 17: { 1: "Define the following in Name Manager:", 8: "Define the following in Name Manager:" }, 18: { 1: "Name:", 3: "Hypotenuse", 8: "Name:", 10: "Hypotenuse2" }, 19: { 1: "Scope:", 3: "Workbook", 8: "Scope:", 10: "Workbook" }, 20: { 1: "Comment:", 3: "Returns the length of the hypotenuse of a right triangle", 8: "Comment:", 10: "Returns the length of the hypotenuse of a right triangle", }, 21: { 1: "Refers To:", 3: "=LAMBDA(a,b,SQRT(a^2+b^2))", 8: "Refers To:", 10: "=LAMBDA(a,b,IF(AND(ISOMITTED(b),COUNT(a)=2),SQRT(SUM(a^2)),SQRT(a^2+b^2)))", }, 22: { 1: "Data", 3: "Formula", 4: "Result", 8: "Data", 10: "Formula", 11: "Result", 12: "Result2", 15: "Same data inverted, refereced in columns:", }, 23: { 1: 3, 2: 4, 8: 3, 9: 4, 14: "Data", 15: 3, 16: 5, 17: 7, 18: 9 }, 24: { 1: 5, 2: 12, 8: 5, 9: 12, 15: 4, 16: 12, 17: 24, 18: 40 }, 25: { 1: 7, 2: 24, 8: 7, 9: 24, 14: "Result" }, 26: { 1: 9, 2: 40, 8: 9, 9: 40, 14: "Result2" }, 27: { 10: "This version makes the 2nd parameter optional and calculates the result using a 2-cell range." }, 29: { 1: "Example 3: Count words", 8: "Count words in a range" }, 30: { 1: "Define the following in Name Manager:", 8: "Define the following in Name Manager:" }, 31: { 1: "Name:", 3: "CountWords", 8: "Name:", 10: "CountWordsRange" }, 32: { 1: "Scope:", 3: "Workbook", 8: "Scope:", 10: "Workbook" }, 33: { 1: "Comment:", 3: "Returns the word count in a text string", 8: "Comment:", 10: "Returns the word count in a cell range", }, 34: { 1: "Refers To:", 3: '=LAMBDA(text,IF(LEN(TRIM(text))=0,0,LEN(TRIM(text))-LEN(SUBSTITUTE(TRIM(text)," ",""))+1))', 8: "Refers To:", 10: "=LAMBDA(range,SUM(CountWords(range)))", }, 36: { 1: "Data", 3: "Formula", 4: "Result", 8: "Data", 10: "Formula:", 11: "Result:" }, 37: { 1: "Something wicked this way comes.", 8: "Something wicked this way comes." }, 38: { 1: "I came, I saw, I conquered.", 8: "I came, I saw, I conquered." }, 39: { 1: "A quick brown fox jumped over the lazy dog.", 8: "A quick brown fox jumped over the lazy dog.", }, 40: { 1: "Use the Force, Luke!", 8: "Use the Force, Luke!" }, 43: { 1: "Example 4: Find the date for Thanksgiving", 8: "Find the date for Easter" }, 44: { 1: "Define the following in Name Manager:", 8: "Define the following in Name Manager:" }, 45: { 1: "Name:", 3: "ThanksgivingDate", 8: "Name:", 10: "EasterDate" }, 46: { 1: "Scope:", 3: "Workbook", 8: "Scope:", 10: "Workbook" }, 47: { 1: "Comment:", 3: "Returns the date Thanksgiving in the USA falls on for a given year", 8: "Comment:", 10: "Returns the date Easter in the USA falls on for a given year", }, 48: { 1: "Refers To:", 3: '=LAMBDA(year, TEXT(DATE(year, 11, CHOOSE(WEEKDAY(DATE(year, 11, 1)), 26, 25, 24, 23, 22, 28, 27)), "mm/dd/yyyy"))', 8: "Refers To:", 10: '=LAMBDA(year,FLOOR("5/"&DAY(MINUTE(year/38)/2+56)&"/"&year,7)-34)', }, 49: { 8: "Date", 10: "Formula", 11: "Result" }, 50: { 1: "Data", 3: "Formula", 4: "Result" }, 57: { 1: "Example 5: Get the duplicate values in a range or array", 8: "Generate a random GUID" }, 58: { 1: "Define the following in Name Manager:", 8: "Define the following in Name Manager:" }, 59: { 1: "Name:", 3: "GetDuplicates", 8: "Name:", 10: "Guid" }, 60: { 1: "Scope:", 3: "Workbook", 8: "Scope:", 10: "Workbook" }, 61: { 1: "Comment:", 3: "Gets the duplicate values in a range or array", 8: "Comment:", 10: "Generate a random GUID", }, 62: { 1: "Refers To:", 3: "=LAMBDA(values, UNIQUE(FILTER(values, COUNTIFS(values,values)>1)))", 8: "Refers To:", 10: '=LAMBDA(CONCATENATE(DEC2HEX(RANDBETWEEN(0,4294967295),8),"-",DEC2HEX(RANDBETWEEN(0,65535),4),"-",DEC2HEX(RANDBETWEEN(16384,20479),4),"-",DEC2HEX(RANDBETWEEN(32768,49151),4),"-",DEC2HEX(RANDBETWEEN(0,65535),4),DEC2HEX(RANDBETWEEN(0,4294967295),8)))', }, 64: { 1: "Data", 3: "Formula", 4: "Result" }, 65: { 1: "jack" }, 66: { 1: "jill" }, 67: { 1: "jason" }, 68: { 1: "jack", 8: "Formula" }, 69: { 1: "alex", 8: "Result" }, 70: { 1: "allen" }, 71: { 1: "alex" }, 73: { 1: "Example 6: Compute the volume of a sphere" }, 74: { 1: "Define the following in Name Manager:" }, 75: { 1: "Name:", 3: "SphereVolume" }, 76: { 1: "Scope:", 3: "Workbook" }, 77: { 1: "Comment:", 3: "Compute the volume of a sphere" }, 78: { 1: "Refers To:", 3: "=LAMBDA(r, 4/3*PI()*r^3)" }, 79: { 1: "Data", 3: "Formula", 4: "Result" }, }, formulas: { 10: { 3: "FORMULATEXT(E11)", 4: "TOCELSIUS(B11)", 10: "FORMULATEXT(L11)", 11: "TOFARENHEIT(I11)" }, 11: { 3: "FORMULATEXT(E12)", 4: "TOCELSIUS(B12)", 10: "FORMULATEXT(L12)", 11: "TOFARENHEIT(I12)" }, 12: { 3: "FORMULATEXT(E13)", 4: "TOCELSIUS(B13)", 10: "FORMULATEXT(L13)", 11: "TOFARENHEIT(I13)" }, 13: { 3: "FORMULATEXT(E14)", 4: "TOCELSIUS(B14)", 10: "FORMULATEXT(L14)", 11: "TOFARENHEIT(I14)" }, 14: { 3: "FORMULATEXT(E15)", 4: "TOCELSIUS(B15)", 10: "FORMULATEXT(L15)", 11: "TOFARENHEIT(I15)" }, 23: { 3: "FORMULATEXT(E24)", 4: "HYPOTENUSE(B24,C24)", 10: "FORMULATEXT(L24)", 11: "HYPOTENUSE2(I24:J24,)", 12: "HYPOTENUSE2(I24,J24)", }, 24: { 3: "FORMULATEXT(E25)", 4: "HYPOTENUSE(B25,C25)", 10: "FORMULATEXT(L25)", 11: "HYPOTENUSE2(I25:J25,)", 12: "HYPOTENUSE2(I25,J25)", }, 25: { 3: 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"D9:E9", "I9:J9", "K9:L9", "B10:C10", "I10:J10", "B7:C7", "D7:E7", "I7:J7", "K7:L7", "B8:C8", "D8:E8", "I8:J8", "K8:L8", "B2:C2", "I4:K4", "B5:E5", "I5:L5", "B6:C6", "D6:E6", "I6:J6", "K6:L6", ], }, customNames: { CountWords: 'LAMBDA(text,IF(LEN(TRIM(text))=0,0,LEN(TRIM(text))-LEN(SUBSTITUTE(TRIM(text)," ",""))+1))', CountWordsRange: "LAMBDA(range,SUM(CountWords(range)))", EasterDate: 'LAMBDA(year,FLOOR("5/"&DAY(MINUTE(year/38)/2+56)&"/"&year,7)-34)', GetDuplicates: "LAMBDA(values, UNIQUE(FILTER(values, COUNTIFS(values,values)>1)))", Guid: 'LAMBDA(CONCATENATE(DEC2HEX(RANDBETWEEN(0,4294967295),8),"-",DEC2HEX(RANDBETWEEN(0,65535),4),"-",DEC2HEX(RANDBETWEEN(16384,20479),4),"-",DEC2HEX(RANDBETWEEN(32768,49151),4),"-",DEC2HEX(RANDBETWEEN(0,65535),4),DEC2HEX(RANDBETWEEN(0,4294967295),8)))', Hypotenuse: "LAMBDA(a,b,SQRT(a^2+b^2))", Hypotenuse2: "LAMBDA(a,b,IF(AND(ISOMITTED(b),COUNT(a)=2),SQRT(SUM(a^2)),SQRT(a^2+b^2)))", SphereVolume: "LAMBDA(r, 4/3*PI()*r^3)", ThanksgivingDate: 'LAMBDA(year, TEXT(DATE(year, 11, CHOOSE(WEEKDAY(DATE(year, 11, 1)), 26, 25, 24, 23, 22, 28, 27)), "mm/dd/yyyy"))', ToCelsius: "LAMBDA(temp,(5/9)*(temp-32))", ToFarenheit: "LAMBDA(temp,9/5*temp+32)", }, }; window.onload = function () { var workbook = new GC.Spread.Sheets.Workbook(document.getElementById("ss")); workbook.options.allowDynamicArray = true; workbook.suspendPaint(); // add custom name foreachObj(data.customNames, function (name, formula) { workbook.addCustomName(name, formula); }); initSheet1(workbook.getSheet(0)); workbook.resumePaint(); }; function initSheet1(sheet) { setSheetPr(sheet); setCells(sheet); } function setCells(sheet) { foreachObj(data.values, function (r, row) { foreachObj(row, function (c, v) { setValue(sheet, Number(r), Number(c), v); }); }); foreachObj(data.formulas, function (r, row) { foreachObj(row, function (c, v) { setFormula(sheet, Number(r), Number(c), v); }); }); foreachObj(data.cellStyles, function (ref, id) { setStyle(sheet, ref, data.styles.records[id]); }); } function setValue(sheet, r, c, v) { if (v === undefined || v === null) return; sheet.setValue(r, c, v); } function setFormula(sheet, r, c, v) { if (v === undefined || v === null) return; sheet.setFormula(r, c, v); } function setStyle(sheet, ref, v) { if (v === undefined || v === null) return; var styles = data.styles; var range = sheet.getRange(ref); var foreColor = styles.colors[v.foreColor]; var backColor = styles.colors[v.backColor]; var font = styles.fonts[v.font]; var wordWrap = v.wordWrap; if (foreColor) { range.foreColor(foreColor); } if (backColor) { range.backColor(backColor); } if (font) { range.font(font); } if (wordWrap) { range.wordWrap(wordWrap); } var border = v.border || []; var borderTop = styles.borders[border[0]]; var borderRight = styles.borders[border[1]]; var borderBottom = styles.borders[border[2]]; var borderLeft = styles.borders[border[3]]; if (borderTop) { range.borderTop(createLineStyle(borderTop)); } if (borderBottom) { range.borderBottom(createLineStyle(borderBottom)); } if (borderLeft) { range.borderLeft(createLineStyle(borderLeft)); } if (borderRight) { range.borderRight(createLineStyle(borderRight)); } } function setSheetPr(sheet) { // set column width foreachObj(data.others.columnWidth, function (index, v) { sheet.setColumnWidth(Number(index), v); }); // set row height foreachObj(data.others.rowHeight, function (index, v) { sheet.setRowHeight(Number(index), v); }); // set spans var spans = data.others.spans || []; for (var i = 0; i < spans.length; i++) { var range = sheet.getRange(spans[i]); sheet.addSpan(range.row, range.col, range.rowCount, range.colCount); } } function createLineStyle(v) { return new GC.Spread.Sheets.LineBorder(v.color, v.style); } function foreachObj(obj, func) { if (!obj) return; var keys = Object.keys(obj); for (var i = 0; i < keys.length; i++) { var key = keys[i]; var v = obj[key]; func(key, v); } }