Tips for Beginners for the TI 89 Calculator

Converting from Rectangular to Polar or Trigonometric Form. To convert a complex number in standard (i.e. rectangular, i.e. a + bi) form to polar (i.e.. r ei ) form, set the mode to complex polar with MODE Complex Format 3: POLAR, key in the complex number in standard form & press ENTER. The way the result is displayed depends on what modes you are in. You may need to reset the … ................
................