You are here:

I`m a Microsoft Excel MVP (Most Valuable Professional) and have been since the inception of the program in 1995. I can answer every kind of Excel question except: API, Importing/exporting to other programs (powerpoint, word,...) Also check out my in-person training link at http://www.thumbtack.com/ny/new-york/excel-training/

Worked with MS Excel since version 0.99 (on the Mac!). Was contributing editor to Excellence Magazine, having written >300 articles. John Walkenbach said of me "I finally met someone who knows as much about Excel as I do."

Excellence, The Expert, Microsoft

BA in math, Hofstra University, 1965

MVP

Led sessions for the Convergence 2004-2006 seminar on Excel tips & tricks

XML

See my book, This isn't Excel, it's Magic! at http://www.iil.com/iil/excelmagic

User | Date | K | C | P | Comments |
---|---|---|---|---|---|

Philippe | 10/19/16 | 10 | 10 | 10 | |

ABDUL RAHMAN | 10/06/16 | 10 | 10 | 10 | DEAR MR. BOB NOW THE SOLUTION IS ..... |

ABDUL RAHMAN | 09/29/16 | 10 | 10 | 10 | THANK YOU VERY,VERY MUCH THE FORMULA ..... |

Joe | 09/28/16 | 10 | 10 | 10 | |

Malcolm | 09/17/16 | 10 | 10 | 10 | Thanks Bob |

For an 8th-degree polynomial, you will have 9 coefficients. So for example, select E5, then enter this: =INDEX(LINEST($B$5:$B$35,$A$5:$A$35^COLUMN($A:$H),,TRUE),,COLUMN(A1)) then fill right to M5. These

This will give the answer in Years (or fraction of years, like 1.5): Enter from date in a cell, say A1, and end date in A2, enter =Age(A1,A2) Function Age(From, Too) As Double Dim n As Long, From2

Dates before 1900 are only available through VBA. You'll notice that simply entering a date before 1900 is left-aligned, hence it's treated as text.

Let's say on sheet2 the dates are in row 2 and the first product (550) is in cell A5. Enter this formula in cell B5, but before pressing enter, hold the ctrl+shift keys down: =INDEX(Sheet1!$F:$F,MATCH($A5&B$2

Most likely cause is that the data you're summing is text. If your formula is =SUM(A1:A10), for example, try =SUM(A1:A10*1) but entered via ctrl+shift+enter (note the "*1" inside the formula). If that

This topic answers questions related to Microsoft Excel spreadsheet (or workbook) stand-alone or Mircrosoft Office Excel including Excel 2003, Excel 2007, Office 2000, and Office XP. You can get Excel help on Excel formulas(or functions), Excell macros, charting in Excel, advanced features, and the general use of Excel. This does not provide a general Excel tutorial nor the basics of using a spreadsheet. It provides specific answers to using Microsoft Excel only. If you do not see your Excel question answered in this area then please ask an Excel question here

Excel

Answers by Expert: