Math

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Basic Math & Pre-Algebra

1,001 Basic Math & Pre-Algebra Practice Problems For Dummies

To successfully master basic math, you need to practice addition, subtraction, multiplication, and division problems. You also need to understand order of operations, fractions, decimals, percents, ratios, weights and measures, and even a little geometry. [more…]

Basic Math & Pre-Algebra

How to Find the Least Common Multiple

The least common multiple (LCM) of a set of numbers is the lowest positive number that is a multiple of every number in that set. This article shows you how to find the LCM. [more…]

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Statistics

Graphs in Unexpected Places in SPSS

The Graphs menu in SPSS Statistics isn’t the only place that you’ll find powerful graphics options. Most analysis methods, for example, will have a Plots tab. These specialty graphics may not be found [more…]

Statistics

How to Read Simple Data from a Text File into SPSS

Here's a procedure you can follow to read data from a simple text file into SPSS. The file is named awards.txt. It contains two cases (rows of data) as two lines of text, with the data items in the two [more…]

Statistics

Transferring Data from Another Program into SPSS

You can get your data into SPSS from a file created by another program, but it isn't always easy. SPSS knows how to read some file formats, but if you're not careful, you'll find your data stored in an [more…]

Statistics

How to Save Data and Images in SPSS

Writing data from SPSS is easier than reading data into SPSS. All you do is choose File→Save As, select your file type, and then enter a filename. You have lots of file types to choose from. You can write [more…]

Statistics

How to Print Data from SPSS

The simplest form of output from SPSS Statistics is to print the numeric rows and columns of the raw data as it appears on the Data View tab of the Data Editor window. To do so, choose File→Print. A familiar [more…]