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What happens if Im under the year 13?
It's a rule that you CAN NOT be under 13.
When calculating year over year do you divide by previous year or current and why?
You normally divide by the previous year. The general rule for calculating a relative (or percentage) change is to look at the change compared to the base, or earlier, year.
When was the slide rule invented?
AnswerThe slide rule was invented by William Oughtred in 1625. AnswerWe do not know the precise year. A circular slide rule was invented by William Oughtred some time about 1620, and a design of a similar slide rule by Delamain was printed in about 1630. The straight slide rule seems to have been invented later, some time around 1650.
What would your hourly salary be if you make 24000 per year?
Roughly $12 an hour. The general rule, taking into account holidays and 2 weeks vacation is that you will work 2000 hours in a typical year.
What invention replaced the slide rule?
Slide rules were replaced by pocket calculators. This happened very suddenly as soon as the price of the calculator became comparable with the slide rule. The market for the slide rule dried up almost completely, in much of the world, in less than a year. Some specialty slide rules have survived, however.
