Article: Move your cursor to the lower right corner of the cell you just edited. The cursor will become a bold + sign. Keep your mouse button held down, and drag your cursor down the column, or across the row to be edited (highlight). The formula you entered will automatically be entered into the cells you've highlighted. Relative cell references will automatically update to refer to the cell in the same relative position. Here's our example spreadsheet, showing the formulas used and the results displayed:     Example Spreadsheet     Column A Column B Column C    row 1    10       9       =A1+B1     row 2    20       8       =A2+B2     row 3     30       7       =A3+B3     row 4    40        6       =A4+B4         Example Spreadsheet     Column A Column B Column C    row 1    10       9       19     row 2    20       8       28     row 3     30       7       37     row 4    40        6       46 Instead of click-and-dragging, move your mouse to the lower right corner, and double click when the cursor turns into a + sign. This will automatically copy the formula to the entire column.   Excel will stop filling out the column if it sees an empty cell. If the reference data contains a gap, you will have to repeat this step to fill out the column below the gap.
Question: What is a summary of what this article is about?
Click on the lower right corner of the cell to be propagated. Hold and drag along the column or row you're copying to. Double click the plus sign to fill the entire column.

Problem: Article: In some cases, obtaining a lower interest rate is as easy as calling your credit card company and asking for one. Be sure to make your monthly payments steadily and consistently for 6 months to 1 year before requesting a lower interest rate.  You might say, “Since I have been consistent with my payments for 8 months now, I was wondering if you’d be able to offer a better rate.” Apply for a different card at a lower rate. If you are approved, see if your credit card company can match that rate. Keep asking! You credit card company might not agree the first time you ask. to a lower interest card. Seek out a new credit card that can accept a transfer from an existing credit card (sometimes called a balance transfer credit card). For best results:  Look for 0% or low APR rates. This will usually be an introductory rate, but it will allow you to pay off some of your debt without interest. Look for the longest introductory rate period you can find. Make sure you know what the rate is after the introductory period ends. Call each of your student loan providers to figure out the exact amount you owe, the interest rate you are charged, and your minimum monthly payment. Once you’ve compiled this info, contact a consolidation loan provider to find out if you qualify for a better loan.  If you have federal student loans, contact the Department of Education. If you have private loans, you might contact Chase, NextStudent, Student Loan Network, or Wells Fargo.
Summary: Call your credit card companies and ask if they can lower your interest rates. Transfer your credit card balance Consider student loan consolidation if you have multiple student loan payments.

intrusive or extrusive. Each of these types of rocks will have specific properties that will help you distinguish which type your igneous rock is.  Magma is molten rock that flows beneath the earth's surface. Igneous rocks are formed by cooling magma. The location of the formation of the rock, as well as how fast the magma cools will determine the type of igneous rock. Intrusive rocks form from the cooling of magma deep beneath the earth's surface. Since this occurs below the earth's surface, the magma will cool very slowly. As magma cools, it will form crystals. Intrusive rocks have larger crystals typically formed together to form the rock mass. An example of an intrusive rock is granite. When magma is above the earth's crust, it is known as lava. Extrusive rocks form through very fast cooling of lava above the Earth's surface. Extrusive rocks have very small, almost microscopic crystals. These are often described as fine-grained rocks. You usually can't see these with the naked eye. The most common type of extrusive rock is basalt. There are 7 different texture classes for igneous rocks, each with their own unique features.   Pegmatitic igneous rocks have very large crystals, more than 1 cm in size. These are the slowest cooling type of igneous rocks. Remember, the slower a rock cools, the larger the crystals will be. Phaneritic igneous rocks are composed of interlocking crystals that are smaller than crystals in pegmatitic but still visible with the naked eye. Porphyritic igneous rocks have crystals of two different sizes, often with large crystals set in areas of smaller crystals. Aphanitic igneous rocks have a fine-grained texture and most of their crystals are too small to see with the naked eye. You will need to use a magnifying glass to observe the crystals in aphanitic rocks. Igneous rocks that form too quickly for crystals to form have what is called a glassy texture. Obsidian is the only glassy igneous rock, and can be identified by its dark color. This looks like dark black glass. Vesicular igneous rocks, such as pumice, look bubbly and form before gases are able to escape as lava forms the rock. This also formed with very rapid cooling. Pyroclastic igneous rock is a texture composed of volcanic fragments ranging from very fine (ash) to very coarse (tuffs and breccias). Composition refers to the percentage of certain minerals in your rock. You will need a rock guide to determine what minerals are present in your rock. There are four main composition types for igneous rocks:  Identifying the composition of your rock can be very difficult if you are not an experienced rock collector or geologist. If you have any questions about how to identify a rock, contact a collector or geologist at a local college or university. Felsic igneous rocks are light in color. Their mineral composition is primarily feldspars and silicates such as quartz. Granite is an example of a felsic rock. Felsic rocks have a low density and contain 0-15% mafic crystals. Mafic minerals are olivine, pyroxene, amphibole, and biotite. Mafic igneous rocks are dark in color and consist mainly of magnesium and iron. They contain 46-85% mafic mineral crystals and are high in density. Basalt is an example of a mafic rock. Ultramafic igneous rocks are also dark in color and contain higher amounts of the minerals found in mafic rocks. These rocks have greater than 85% mafic mineral crystals. Dunite is an example of an ultramafic rock. Intermediate igneous rocks contain 15-45% mafic mineral crystals. They share minerals with both felsic and mafic rocks and are intermediate in color. Diorite is an example of an intermediate rock.
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One-sentence summary --
Classify igneous rocks into two main types: Identify the texture type of your rock. Look at the composition of your rock.