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# Blog

## Out and About in Seattle, San Francisco, and Kuala Lumpur

4 November 2016

The next week our director Liam Bastick from the Melbourne office will be over in Seattle attending the MVP summit...

## A to Z of Excel Functions: the BESSELI Function

2 November 2016

Bessel functions were first defined by the mathematician Daniel Bernoulli and then generalised by Friedrich Bessel as the canonical solutions y(x) of the differential equation..

## Monday Morning Mulling: October Challenge

31 October 2016

On the final Friday of each month, set an Excel for you to puzzle over for the weekend. On the Monday, we publish one suggested solution. No-one is stating this is the best approach, it’s just the one we selected. If you don’t like it, you can lump it – or...

## Final Friday Fix: October Challenge

28 October 2016

On the final Friday of each month, we’re going to set Excel for you to puzzle over so that you can get your “Excel fix”. Challenge your office colleagues to see who can solve the puzzle quickest...

26 October 2016

SumProduct is going back to Redmond this November. ..

## Out and About in Singapore

24 October 2016

This week sees Liam Bastick spending the week in Singapore. He’s gutted he has missed the Formula 1...

## A to Z of Excel Functions: the BASE Function

21 October 2016

This function converts a number into a text representation with the given radix (base). Clear as mud if you speak gobbledygook...

## Excel at Monopoly #5: VBA simulation and review

19 October 2016

I said that the last Monopoly blog was going to be the last, but there was one last bit that ties it all up, and casts a question mark over everything we’ve done.

## A to Z of Excel Functions: the BAHTTEXT Function

17 October 2016

Every now and then we unveil a pearl of a function, one that will rock your world and make you wonder how you ever lived without it. Today’s function is probably not going to be on that list for those outside of Thailand.

## Out and About with CPA: Auckland and Brisbane Next Week

14 October 2016

In conjunction with CPA Australia, SumProduct’s Liam Bastick and Tim Heng are both out and about providing Masterclass training for accountants in Australia and New Zealand...