Start at the given point (2,1)\r\n" );
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document.write( "The gradient is 3. Consider it as the fraction 3/1.\r\n" );
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document.write( "Since the gradient is positive, we draw a vertical line UPWARD\r\n" );
document.write( "the amount of the NUMERATOR of the fraction of the gradient,\r\n" );
document.write( "which in this case is 3, since the gradient is 3/1 with\r\n" );
document.write( "numerator 3. \r\n" );
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document.write( "(If it were negative we would have drawn it DOWNWARD)\r\n" );
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document.write( "Next we draw a horizontal line RIGHTWARD \r\n" );
document.write( "the amount of the DENOMINATOR of the fraction of the gradient,\r\n" );
document.write( "which in this case is 1, since the fraction of the gradient,\r\n" );
document.write( "which in this case is 1, since the gradient is 3/1 with\r\n" );
document.write( "denominator 1. \r\n" );
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document.write( "(If it were negative we would STILL have drawn it RIGHTWARD, we ALWAYS\r\n" );
document.write( "draw the horizontal line RIGHWARD)\r\n" );
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document.write( "Then we draw the desired line through the given point and the point\r\n" );
document.write( "at the end of the horizontal line:\r\n" );
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document.write( "Edwin
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