1 - Mathematics is the language of nature. 2 - Everything around us can be represented and understood through numbers. 3 - If you graph the numbers of any system, patterns emerge.
=sumproduct(--($A$1:$A$10="ja");--($B$1:$B$10="jongen"))
Simpelste: een hulpkolom die niet meer doet dan =A1&A2 en dan zoeken op 'jajongen'. Beter is DBAANTAL() gebruiken.
'Multiple exclamation marks,' he went on, shaking his head, 'are a sure sign of a diseased mind' (Terry Pratchett, Eric)
Tnx! Die -- maakt van 'waar' idd een 1. Kende dit niet. Dank!Xorsist schreef op donderdag 17 maart 2011 @ 13:57:
=sumproduct(--($A$1:$A$10="ja");--($B$1:$B$10="jongen"))
1 - Mathematics is the language of nature. 2 - Everything around us can be represented and understood through numbers. 3 - If you graph the numbers of any system, patterns emerge.