From Ramanujan to calculus cocreator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to find the partial derivative of a vectorvalued function using a calculator to perform a quadratic regression.
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How To: Remember "greater than" & "less than" symbols

How To: Find the Percent Given Two Numbers

How To: Use ">" (greater than) and "<" (less than) symbols

How To: Find a number given Its percent

How To: Write a slopeintercept equation given an XY table

How To: Convert between diameter and radius

How To: Calculate the area of a parallelogram

How To: Use the ratio formula to find coordinates of a point

How To: Do long division without a calculator

How To: Figure out the domain & range of a piecewise function

How To: Find the Slope Given 2 Ordered Pairs

How To: Simplify a complex fraction w/ binomial denominators

How To: Find the volume of a cylinder with given radius

How To: Calculate Faster Than a Calculator

How To: Find the slope of a line given 2 points with fractions

How To: Find the area of a circle when you know the diameter

How To: Find the formula of a piecewise function given a graph

How To: Spend Money on a Graphing Calculator? Nah—Just Use This WebBased TI Emulator

How To: Simplify fourth roots

How To: Find the x & y intercepts of rational functions
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