HP 35s HP 35s scientific calculator - User Guide - Page 41
SHOWing Full 12-Digit Precision, Enable ALG mode
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Example Display the complex number 3+4i in each of the different formats. Keys: 9 6 8 8 or 8× ×Õ Display: Description: Enable ALG mode Enter the complex number. It displays as 3i4, the default format. Change to x+yi format. Change to rθ a format. The radius is 5 and the angle is approximately 53.13°. SHOWing Full 12-Digit Precision Changing the number of displayed decimal places affects what you see, but it does not affect the internal representation of numbers. Any number stored internally always has 12 digits. For example, in the number 14.8745632019, you see only "14.8746" when the display mode is set to FIX 4, but the last six digits ("632019") are present internally in the calculator. To temporarily display a number in full precision, press Î. This shows you the mantissa (but no exponent) of the number for as long as you hold down Î. Keys: 8 8 Display Description: Four decimal places displayed. Scientific format: two decimal places and an exponent. Engineering format. Getting Started 1-25