Excel continues to be the scratchpad for data analysis everywhere, and with new capabilities for JavaScript-based functions and connections to ML based models, you can bring in all of the power of your data analysis tools right inline to your formulas.

5. Custom functions
 run offline if they don’t depend on the web
 run even when the workbook is unattended (not for preview or first availability)

8. Math problems
=ISPRIME
Machine Learning
=FRAUDPROBABILITY
Public Web Data
=BITCOIN
Unattended
=CITYFROMPHONE

13. Bullet Chart
A bar chart with extra
visual elements to
provide additional
context. Useful for
tracking goals
Word Cloud
Use font size and
location to indicate text
frequency in data
Gantt
A type of bar chart
which illustrates a
schedule with resources
Chord
Graphical method of
displaying the inter-
relationships between
data in a matrix
Sankey
Flow diagram where
the width of the series
is proportional to the
quantity of the flow
Dual KPI
Visualizes two
measures over time,
showing their trend on
a joint timeline
Infographic Designer
control the specific
appearance of charts
with control of shapes,
color, layout, and the
ability to bind shapes
and images to data
Calendar
Display data distributed
over time in a
compelling and clear
style
Tachometer
A flexible gauge visual
for communicating
data against reference
scale
Tornado
Comparing the relative
importance of variables
between two groups
Bars / Gauges Relationships / Flows Timelines / Trends Image / Text

15. [CELLRANGE]
[CELLRANGE]
[CELLRANGE]
[CELLRANGE] [CELLRANGE]
[CELLRANGE]
[CELLRANGE]
[CELLRANGE]
[CELLRANGE]
[CELLRANGE]
1
10
100
1000
10000
100000
XLL (Baseline) VBA Web control
process
(original)
In-proc
ChakraCore
(production)
In-proc
ChakraCore
(prototype)
timefor1000Functions(ms)
Perf comparisons for synchronous custom functions
Long-running function (Find 1000th Prime)
Short-running function (Mortgage Payment)
Details
• Intel Xeon E5-1680 v4 @ 3.40GHz (8 cores)
• Measured total time for 1000 functions
• Median of 20 trials
• ChakraCore runtimes are preloaded
Test Scenarios
• Calculate the mortgage payment for a given
principal, period, and rate
• Find the 1000
th
prime number

17. new for JS custom functions
Ignite 2017 Build 2018
Excel for Windows desktop only Excel for Windows desktop
Excel for Mac
Excel Online (Chrome, Firefox, Edge, IE, Safari)
Async functions in a separate process Async functions in a separate process
Fast sync functions directly in Excel’s process
Registration via API (low speed, high-memory) Declarative registration (fast, low-memory)

19. Add-in manifest
XML
Function code
JavaScript
Web page for UI (optional)
HTML, JavaScript, CSS
+
+
Office add-in =
Function metadata
JavaScript Object
+ New

20. function ADDTO42(num) {
return num + 42;
}

21. {
name: “ADDTO42",
description: "Returns the sum of a number and 42",
result: {
type: “number",
dimensionality: “scalar",
},
parameters: [{
name: "num",
description: "The number be added to 42",
type: “number",
dimensionality: “scalar",
}],
options: {
sync: true,
}
};
New

22. <Hosts> <Host xsi:type="Workbook">
<AllFormFactors>
<ExtensionPoint xsi:type="CustomFunctions">
<Script> <SourceLocation resid="functionsJS" /> </Script>
<Page> <SourceLocation resid="functionsHTML"/> </Page>
<Metadata> <SourceLocation resid="fnMetadata"/> </Metadata>
<Namespace> <SourceLocation resid=“namespace"/> </Namespace>
</ExtensionPoint>
</AllFormFactors>
</Host> </Hosts>
<Resources>
<bt id="functionsJS" DefaultValue="https://example.com/cf.js" />*
<bt id="functionsHTML" DefaultValue="https://example.com/cf.html" />
<bt id="fnMetadata" DefaultValue="https://example.com/cf.json" />
<bt id=“namespace" DefaultValue=“CONTOSO" />
</Resources>
New

23. function invocation
return Promise
resolve Promise
HTTP request (if needed)
HTTP response

24. function GETWEIGHT(thermometerID){
return Excel.Promise(function(setResult, setError){
getWeightFromServer(scaleID, function(data){
setResult(data.weight);
});
});
}

25. function invocation
set result
streaming (eg. WebSocket sendmessage)
streaming (eg. Websocket onmessage)
streaming (eg. Websocket onmessage)
streaming (eg. Websocket onmessage)
set result
set result

26. function STREAMWEIGHT(scaleID, interval, caller){
function getNextWeight(){
getWeightFromServer(scaleID, function(data){
caller.setResult(data.weight);
});
setTimeout(getNextWeight, interval);
}
getNextWeight();
}
options: { stream: true }

27. function invocation
cancel
streaming (eg. WebSocket sendmessage)
streaming (eg. Websocket onmessage)
streaming (eg. Websocket onmessage)
unsubscribe
set result
set result
New

28. function INCREMENTVALUE(increment, caller){
var result = 0;
var timer = setInterval(function(){
result += increment;
caller.setResult(result);
}, 1000);
caller.onCanceled = function(){
clearInterval(timer);
};
}
options: { stream: true, cancelable: true }

29. var savedWeights{};
function STREAMWEIGHT(scaleID, interval, caller){
if(!savedWeights[scaleID]) refreshWeight(scaleID);
function getNextWeight(){
caller.setResult(savedWeights[scaleID]); // sends the saved value to Excel.
setTimeout(getNextWeight, interval); // wait before updating Excel again
}
getNextWeight ();
}
function refreshWeight (scaleID){
sendWebRequestExample(scaleID, function(data){
savedWeights[scaleID] = data.weight;
});
setTimeout(function(){
refreshWeight(scaleID);
}, 1000); // wait 1 second before updating the saved weight for scaleID
}

30. function
var 0 0 0 0
for 0
for 0
if
else if
return
parameter[0].dimensionality = "matrix";

31. function
var
for 1
return
result.dimensionality = "matrix";

32. Ignite 2017 Build 2018 Future
Excel for Windows
desktop only
Excel for Windows desktop
Excel for Mac
Excel Online (Chrome, Firefox,
Edge, IE, Safari)
All Excel platforms
Async functions in a
separate process
Async functions in a separate
process
Fast sync functions directly in
Excel’s process
Async functions in a separate and
optimized process
Fast sync functions directly in Excel’s
process
Functions can also run remotely
Sideloading for
developer deployment
Sideloading for developer
deployment
Sideloading
AppSource Deployment
Centralized Deployment

33. https://aka.ms/customfunctionsupdates

39. Add-in manifest
XML
Function code
Python
Web page for UI (optional)
HTML, JavaScript, CSS
+
+
Office add-in =
Function metadata
JSON (Swagger)
+

41. …
“input": {
“revenue history": {
“type": 3,
“swagger": {
“items": {
“properties": {
“date":{
“type": “string“
},
“revenue":{
“type": “number“,
“format": “double“
}
},
“type": “object“
},
…

46. Join the Office Developer Program
Learn more
Come hack with us - aka.ms/office365hackathon
Visit dev.office.com
See everything from Build - https://aka.ms/OfficeBuild2018
Follow us - @OfficeDev, #MicrosoftGraph, #SharePoint @MicrosoftTeams
Join community calls - Graph, AD, Outlook, Teams, Excel, and SharePoint

47. CODE TITLE DATE START
BRK2420 Streamline business processes with Flow and Office 365 5/7/2018 1:00PM
BRK3507 Create productive apps with Office 365 5/7/2018 2:45PM
BRK2407 Microsoft Graph: Connect to essential data every app needs 5/7/2018 2:45PM
BRK2419 Smarter data analysis with JavaScript and Azure ML functions in Excel 5/8/2018 10:30AM
BRK2403 Build the ultimate team hub with Microsoft Teams 5/8/2018 1:15PM
BRK2409
Leveraging SharePoint as a development platform for the modern
intranet
5/8/2018 4:45PM
BRK2418 New experience in Outlook 5/9/2018 2:45PM
BRK2402
Build intelligent analytics apps with Microsoft Graph and Azure
capabilities
5/9/2018 4:30PM