How to Calculate Change From Purchases?

Answer Calculating change from purchases made is a skill that educators usually begin to teach in elementary school. This is a lifelong skill that can be critical in everyday interactions. If you're selli... Read More »

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How to Transfer Purchases from an iPhone?

Apple's iPhone electronic device has a built-in application appropriately titled iTunes. This application allows you to use the iPhone's 3G network connection to access the iTunes music store and p... Read More »

How to Download Previous Purchases from iBooks to an iPhone?

Connect to your iTunes account and download books you have previously purchased from iBooks to your iPhone wherever you have an Internet connection.

How to Calculate the Heat Change of a SOL?

When you dissolve a solute in water, energy moves as bonds break and form. When sodium chloride, for instance, dissolves in water, it absorbs energy from the water to break up the ions' crystal lat... Read More »

How to Calculate Percent Change?

Whenever you see a sale price (or a price increase), you may want to know how much the price has changed. Knowing the percentage change can help you make an informed purchasing decision.