Principal Resources Search Results

How To: Use simple interest and compound interest in algebra

In this math lesson you will learn about simple interest and compound interest. Whenever you want to borrow money from a bank, you have to pay interest at a certain percent rate. The main difference between compound and simple interest is the fact that the simple interest is paid only on the principal, while the compound interest is paid on both the principal and the accumulated interest The simple interest is given by the following formula:

How To: Remember the parts of the cell

Are you much for science? Cytoplasm. Nucleus. Endoplasmic reticulum. Organelle. These words might sound alien, but breaking down the parts of a cell and their functions will help you remember. This is one of the best ways for cell identification, and it's perfect for science class studying.

How To: Wash your car exterior using the two bucket method

Jacob shows the importance of washing your car properly. First use two buckets. Fill one with soapy water, the other to rinse your car. Use a grip guard to keep your tools above water, and use white buckets. The principal is to keep the wash water as clean as possible. Get your sponge soapy, wipe the car. You then rinse it in the clean water, making sure there's no dirt. Use the foam/rinse method to wash. First use a soapy sponge, making sure the sponge doesn't actually touch the car, then ri...

How To: Create budgets in MS Project 2007

These days it seems like budgets are on everybody's minds. Big or small, financial planning is an essential part of daily life following the latest recession. In this tutorial you will learn how to create budget resources, using MS Project 2007, that you can assign to your project to compare you actual hours and costs against your budget.

How To: The Novice Guide to Teaching Yourself How to Program (Learning Resources Included)

Today's post is a small go-to guide for beginner programmers in Null Byte. With many of our community members picking up programming from our Community Bytes, it only makes sense to lay out a one-stop guide for your reference. Hopefully this guide will help you make an educated and thoughtful choice on what programming languages you want to learn, and how you want to learn said languages.

How To: Change the start menu on your computer

In this how-to video, you will learn how to change your start menu text. You will need resource hacker and regedit in order to perform this. First, open resource hacker. Click file and open. Go to 37, and click on 1033. Change 578 to whatever you want the text on the start menu to be. Press compile script. Next, save this file. Now, open regedit and go to software. Go to shell and click modify. Change the value data to the name of your .exe file, which should be saved in the windows folder. N...

Hack Like a Pro: Metasploit for the Aspiring Hacker, Part 6 (Gaining Access to Tokens)

Welcome back, my tenderfoot hackers! Hacker newbies have an inordinate fixation on password cracking. They believe that cracking the password is the only way to gain access to the target account and its privileges. If what we really want is access to a system or other resources, sometimes we can get it without a password. Good examples of this are replay attacks and MitM attacks. Neither requires us to have passwords to have access to the user's resources.

How To: Program faster with some PHP speed tips

If you're looking to shave a few milliseconds off the Zend Engine's work load, check out this tutorial for some PHP programming speed tips. This efficency will pay off when you have tons of traffic to your site and save you valuable server resources.

How To: Save your server resources with PHP caching

Sometimes server space can be an issue, especially when you're talking about costly actions such as iteration, file scanning, and numerous queries. In those instances it's often best to cache! This tutorial gives you a simple example which can help your site load faster and take less abuse.