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HP 50g Quick Start Manual
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HP 50g Working with Fractions
Examples of Entering Fractions
Choosing the Right Modes
Examples of Fractions in RPN Mode
Example of Converting Fractions to Real Numbers
Example of Converting Real Numbers to Fractions
Example of Converting Real Numbers to Fractions
Involving PI
Accuracy, and an Example
Further Details

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Summary of Contents for HP 50g

  • Page 1 HP 50g Working with Fractions Examples of Entering Fractions Choosing the Right Modes Examples of Fractions in RPN Mode Example of Converting Fractions to Real Numbers Example of Converting Real Numbers to Fractions Example of Converting Real Numbers to Fractions...
  • Page 2 HP 50g Working with Fractions Examples of Entering Fractions To enter a fraction on the HP50g in Algebraic mode the user just types it. To enter 1/3, type this: 1/3`. Calculating with fractions is just as easy. The HP50g knows the “rules of operator precedence”, which means that it carries out divisions before additions, and gives the correct answer.
  • Page 3 HP 50g Working with Fractions Figure 3 The main Calculator Modes form will now be displayed. If the second line does not say STD then press the down arrow key once, press B below the !CHOOS menu label, use the up or down arrow to select STANDARD mode, and press the F key below the %OK% menu label to accept the change to Standard mode.
  • Page 4 HP 50g Working with Fractions %OK% menu label to accept the change to RPN mode, and press the F key again to leave the Calculator Modes Form. Changing back to Algebraic mode is done the same way, except that ALGEBRAIC should be selected instead of RPN in the Choose list.
  • Page 5 HP 50g Working with Fractions 23.57 or 59.2E19. Only numbers typed without a decimal point are treated as integers by the HP50g, and fractions must be made up of two integer numbers.) In RPN mode, the conversion is carried out immediately. In Algebraic mode, the result is presented in terms of the ANS function.
  • Page 6 HP 50g Working with Fractions If ->QΠ will convert a real number to whichever is better, a fraction with PI, or without, there may seem to be no reason to use ->Q. In fact, there are two good reasons to use ->Q. The first is to use it where PI is not expected in the answer, and if it does appear, this is purely by chance, and is not wanted.