document.write( "Question 1172005: choose the quotient 80/ 2-6i in the form a + bi \n" ); document.write( "
Algebra.Com's Answer #796941 by Edwin McCravy(20081) $\"\"$ $\"About$
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document.write( "Here's how to get it using a TI-84 calculator, if you have one.\r\n" );
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document.write( "Set the mode:\r\n" );
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document.write( "Press MODE\r\n" );
document.write( "Scroll down till you see this:\r\n" );
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document.write( "REAL  a+bi  re^(θi)\r\n" );
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document.write( "The calculator comes from the factory with REAL highlighted.  You want to\r\n" );
document.write( "change this. \r\n" );
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document.write( "Press the right arrow key once to highlight \"a+bi\"\r\n" );
document.write( "Press ENTER\r\n" );
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document.write( "it will stay highlighted, so leave it that way permanently, as it will\r\n" );
document.write( "not change anything about the way the calculator functions if you leave\r\n" );
document.write( "it permanently with \"a+bi\" highlighted. \r\n" );
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document.write( "Press 2ND MODE (QUIT)    to get back to the main screen.\r\n" );
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document.write( "Press CLEAR\r\n" );
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document.write( "Here is how to get \"i\".  It's the middle key on the bottom, the decimal key,\r\n" );
document.write( "(or the \"period\" key, if you think of the decimal as a \"period\".)\r\n" );
document.write( "But you must press 2ND before you press it.\r\n" );
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document.write( "So type this:\r\n" );
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document.write( "80/(2-6i)    <-- where you get the \"i\" by pressing 2ND then the decimal key,\r\n" );
document.write( "                 as explained above \r\n" );
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document.write( "Press ENTER\r\n" );
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document.write( "You will read 4+12i.\r\n" );
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document.write( "It comes out whole numbers in this case.  But in cases where it comes out with\r\n" );
document.write( "decimals, press MATH ENTER ENTER and it will change the decimals to fractions.\r\n" );
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document.write( "For instance if you were to have have this problem:\r\n" );
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document.write( "Type this\r\n" );
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document.write( "(2+7i)/(1+3i)\r\n" );
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document.write( "Press ENTER\r\n" );
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document.write( "Read 2.3+0.1i\r\n" );
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document.write( "Press MATH and ENTER twice, and you will read\r\n" );
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document.write( "23/10+1/10i which is\r\n" );
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document.write( "Edwin
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