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For example: a person who has smoked 15 cigarettes a day for 40 years has a (15/20) x 40 = 30 pack-year smoking history. One pack-year is smoking 20 cigarettes a day for one year. If someone has smoked 10 cigarettes a day for 6 years they would have a 3 pack-year history. Someone who has smoked 40 cigarettes (2 packs) daily for 20 years has a ...
A spreadsheet's concatenation ("&") function can be used to assemble complex text strings in a single cell (in this example, XML code for an SVG "circle" element). This concatenation is a variation of the chaining of formulas, for which spreadsheets are commonly used. The ability to chain formulas together is what gives a spreadsheet its power.
Cigarette smoking is the leading cause of preventable death in the United States, accounting for approximately 443,000 deaths—1 of every 5 deaths—each year. [7] Cigarette smoking alone has cost the United States $96 billion in direct medical expenses and $97 billion in lost productivity per year, or an average of $4,260 per adult smoker.
Microsoft Office Excel – for MS Windows and Apple Macintosh. The proprietary spreadsheet leader. Microsoft Works Spreadsheet – for MS Windows (previously MS-DOS and Apple Macintosh). Only allows one sheet at a time. PlanMaker – for MS Windows, Linux, MS Windows Mobile and CE; part of SoftMaker Office
Formula calculator This virtual calculator provides a simple way to create formulas for cells throughout the Excel spreadsheet. [5] Autocomplete Excel can predict a word or phrase that the user wants to type in without the user actually typing it in completely. [5] Other improvements. Euro can now be used as a currency [5]
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Cannabis 'smoking' in India has been known since at least 2000 BC [16] and is first mentioned in the Atharvaveda, which dates back a few hundred years BC. Fumigation ( dhupa ) and fire offerings ( homa ) are prescribed in the Ayurveda for medical purposes and have been practiced for at least 3,000 years while smoking, dhumrapana (literally ...
For instance, the formula in D4 would read =C4/B4. Excel automates this later task by using a relative referencing system that works as long as the cells retain their location relative to the formula. However, this system requires Excel to track any changes to the layout of the sheet and adjust the formulas, a process that is far from foolproof ...