Indeed, for some gems, such as diamonds, the price per carat can increase exponentially as the gem size increases. Therefore, a 1 carat stone may cost $1,000 while a 2 carat stone may cost $4,000. This means that good quality sapphires and rubies in larger sizes tend to have a much higher price per carat.
Re: Convert positive # to negative. Hi, if you positive number is in A1, use the following formula to convert it to a negative number =A1*-1 Time values can not be negative. Microsoft MVP http://www.teylyn.com Twitter: http://twitter.com/IngeborgNZ. Microsoft MVP.
IF command in Excel to change color? how do you make a formula so that 'if' a certain number is reached the cell (or a certain cell) is colored from it's current color (e.g. green unless it becomes 10 or higher then it turns red)? Source(s): command excel change color: https://biturl.im/eeMyF.