\r\n" );
document.write( "Please note that -4i/2-3i means 
, not 
\r\n" );
document.write( "You MUST put parentheses around any numerator or denominator\r\n" );
document.write( "which contains more than one number or one letter to tell\r\n" );
document.write( "where it starts and ends. I am quite sure you meant \r\n" );
document.write( "and not . You should have typed -4i/(2-3i). \r\n" );
document.write( "\r\n" );
document.write( "----------------------------------------------------------------\r\n" );
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document.write( "\r\n" );
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document.write( "\r\n" );
document.write( "Multiply by the conjugate of the denominator\r\n" );
document.write( "written over itself:\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Indicate the multiplication of the numerators and denominators:\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Distribute the top and FOIL the bottom:\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Cancel the middle terms in the bottom:\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Since 
substitute (-1) for i2.\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Simplify the denominator:\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Write as the sum of two fractions:\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Reverse the terms so the i term will be on the right:\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Change the division of 8i by 13 as a multiplication\r\n" );
document.write( "of i by the fraction 
:\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "-------------------------------\r\n" );
document.write( "\r\n" );
document.write( "Here's an easy way if you have a TI-83 or TI-84:\r\n" );
document.write( "\r\n" );
document.write( "Make sure the calculator is in the mode to take\r\n" );
document.write( "complex numbers. You can leave it set that way\r\n" );
document.write( "permanently, since it doesn't affect any of the\r\n" );
document.write( "other functions. Press \"MODE\", scroll down to\r\n" );
document.write( "\"REAL\". Press the right arrow once to put the cursor\r\n" );
document.write( "on \"a+bi\" and press \"ENTER\", then press \"2ND\" \"MODE\".\r\n" );
document.write( "Now it is set to take complex numbers. You'll never\r\n" );
document.write( "have to do that again. The reason the TI company\r\n" );
document.write( "doesn't put it in that mode at the factory is because\r\n" );
document.write( "some people, like engineers, have hundreds and hundreds\r\n" );
document.write( "of stored programs in their calculator and the \"a+bi\" \r\n" );
document.write( "mode takes up a little more memory that those people\r\n" );
document.write( "might need for their programs. \r\n" );
document.write( "\r\n" );
document.write( "Now\r\n" );
document.write( "\r\n" );
document.write( "Press CLEAR\r\n" );
document.write( "Press -4i/(2-3i) <-- the \"i\" is \"2ND\" then the decimal key. \r\n" );
document.write( " (the period or decimal key which is the \r\n" );
document.write( " middle key at the bottom of the keyboard)\r\n" );
document.write( " Be sure to put those parentheses around\r\n" );
document.write( " that denominator as you mistakenly forgot \r\n" );
document.write( " them above.\r\n" );
document.write( "\r\n" );
document.write( "Press 2ND ENTER ENTER \r\n" );
document.write( "\r\n" );
document.write( "read 12/13-8/13i\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" );
document.write( "![\"\"](\"/images/stars/stars-12.gif\")
