Download Free Utility Programs
We have begun developing useful utility programs for free download, and currently offer one. As more become available, we'll add them to this page. Check back occasionally!
In addition, we've also developed some software for educators. You can get more details on these packages.
Gas Price Calculator
Download the free Gas Price Calculator (410 KB). Includes install and uninstall support.
Ever wonder if it is really worth it to drive farther in order to buy gas for a few cents less per gallon? This free Gas Price Calculator will tell you. Just enter how much gas you want to buy, the price for gas at both stations, how much farther you must drive to get the cheaper gas, and your mileage. Then click the Calculate button to see your answer! What could be easier?
CRC Calculator
Download the free CRC Calculator utility (405 KB). Includes install and uninstall support.
The CRC Calculator is used to see if the contents of a file have changed. This is particularly useful if you must do something to a file that might accidentally change it, such as storing it on a floppy disk for a long time or sending it over a network or phone line to another computer.
The program computes a CRC (Cyclic Redundancy Check) value for a file. This value depends on the contents of the file, so any changes to the file will change its CRC value.
To use the program, you first compute the CRC value for the file you're interested in, and write it down. Then do whatever you want to do with the file, and compute the CRC value again. If the new value is different than the old one, the file's contents have changed.
Octal Dump
Download the free octal dump utility (72 KB). Save it in your C:\windows\system32 folder.
Have you ever wondered what a particular file contains? You can find out with the Octal Dump program (called "od"). od prints the contents of a file in any of four unambiguous formats: 8 bit characters, 16 bit words in octal, 16 bit words in decimal, or 16 bit words in hexadecimal. Each line of output begins with an offset in the file (shown in octal), followed by the 16 bytes that begin at that offset. The data bytes are shown in the format you have selected.
After saving this program in your C:\windows\system32 folder, start a command prompt window and type "od" (without the quotation marks). You will see instructions on how to run the program.
End of Line Converter
Download the free end-of-line conversion utility (75 KB). Save it in your C:\windows\system32 folder.
Each line in a text file on a computer ends with an "end of line" sequence of special characters. However, these sequences are different for different types of computers. For PC's, the sequence is "carriage return, line feed". For Unix systems, the sequence is "line feed" (though in the Unix world, the line feed character is called "newline"). This program, called "eol", reads a text file and converts the end of line sequence to either PC-style or Unix-style; the resulting data is written to a new file.
After saving this program in your C:\windows\system32 folder, start a command prompt window and type "eol" (without the quotation marks). You will see instructions on how to run the program.
Head
Download the free utility (75 KB) that prints the first few lines of a text file. Save it in your C:\windows\system32 folder.
This utility shows you the first few lines of a text file. For those who often work in a command prompt window, this is a great way to see what is in a file without having to open notepad or some other editing program.
After saving this program in your C:\windows\system32 folder, start a command prompt window and type "head" (without the quotation marks). You will see instructions on how to run the program.
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