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How To: Put an unresponsive iPhone into DFU mode

iPhone not booting up? This video shows how to recover your iPhone if it is unresponsive or even getting ready to Jailbreak it, by putting it into DFU Mode. DFU, device firmware upgrade, mode bypasses the current OS and allows you to upgrade or downgrade. Watch this video cell phone repair tutorial and learn how to restore a crashed iPhone by putting it into DFU mode.

How To: Understand car battery basics

For most automotive applications a battery needs to supply a lot of current for a short period of time to turn over the engine and get the car started. With the engine running, the car's alternator produces all the power the car needs. Thin plates inside a starting battery increase the surface area and produce this relative burst of energy. Thicker plates in a deep cycle battery provide a steady amount of current over a long period of time. Deep cycle batteries excel in reserve capacity (RC),...

Exploit Development: How to Learn Binary Exploitation with Protostar

Being able to write your own hacking tools is what separates the script kiddies from the legendary hackers. While this can take many forms, one of the most coveted skills in hacking is the ability to dig through the binary files of a program and identify vulnerabilities at the lowest level. This is referred to as binary exploitation, and today we're going to check out a tool known as Protostar.

How To: Work with common and preferred stocks in Microsoft Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 62nd installment in his "Excel Finance Class" series of free video lessons, you'll learn how to work with common and preffered stocks in MS Excel.

How To: Calculate the value of a preferred stock in Microsoft Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 62nd installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate the value of a preferred stock.

How To: Calculate stock value based on the value of future dividend cash flow in Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 61st installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate the value of a stock based on the present value of a future dividend cash flow.

How To: Value a stock with predictable dividends in Microsoft Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 63rd installment in his "Excel Finance Class" series of free video lessons, you'll learn how to value a stock with predictable dividents in Excel.

How To: Chart assumed constant growth rate changes in Microsoft Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 64th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to chart assumed constant growth rate changes in Excel.

How To: Calculate stock prices with the dividend growth model in Microsoft Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 65th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate stock prices using the dividend growth model.

How To: Calculate implied return using the dividend growth model in MS Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 66th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate implied return with dividend growth in Excel.

How To: Value a stock with irregular dividend payments in Microsoft Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 67th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate the value of a stock with irregular dividend payments,

How To: Calculate interest revenue and interest expense in Microsoft Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 58th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate interest revenue and expense.

How To: Build a early zero coupon bond amortization table in Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 54th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to build an early zero-coupon bond amortization table in Excel.

How To: Compare cash flows for coupon & zero-coupon bonds in Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 57th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to compare cash flows for both coupon and zero-coupon bonds.

How To: Make calculations for inflation and real & nominal rates in Microsoft Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 54th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to make inflation calculations.

How To: Calculate YTM and effective annual yield from bond cash flows in Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 49th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate YTM & effective annual yield from bond cash flows.

How To: Calculate yield to market & effective annual yield from bond price in Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 49th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate yield to market and effective annual yield from a bond price.

How To: Make an Excel scatter chart to show the relationship between bond rate & price

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 50th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to demonstrate the inverse relationship between bond rate and price with a scater chart.

How To: Make an Excel formula to say if a bond is sold at discount, premium or par

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 51st installment in his "Excel Finance Class" series of free video lessons, you'll learn how to create an if formula to indicate whether a bond is sold at discount, premium or par.

How To: Create a bond discount or premium amortization table in Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 52nd installment in his "Excel Finance Class" series of free video lessons, you'll learn how to create a bond discount or premium amortization table.

How To: Record bond discount & premium journal entries in Microsoft Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 53rd installment in his "Excel Finance Class" series of free video lessons, you'll learn how to record bond discount and premium journal entries in Excel.

How To: Calculate interest rate risk in Microsoft Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 54th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate interest rate risk or IRR.

How To: Calculate future & present value for multiple cash flows in Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, part of his "Excel Finance Class" series of free video lessons, you'll learn how to calculate the future and present values for multiple cash flows in Excel.

How To: Value assets with discounted cash flow analysis in Microsoft Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, part of his "Excel Finance Class" series of free video lessons, you'll learn how to use the PV and PMT functions together to do asset valuation using discounted cash flow analysis.