How to Make & Store Equations in the HP 50G


Graphing calculators are devices used for very specific purposes that are much more advanced than a traditional calculator. That is, you have the ability to create, store and graph equations on many graphing calculators including the HP 50G. If you're a new HP 50G user, you may not be familiar with the calculator's interface. Therefore, it could be difficult or confusing when trying to make and store equations for the first time.

  • Turn on your HP 50G and launch the Equation Writer. To launch the Equation Writer, press the orange "Right Arrow" key and then press the "EQW" key. The "Right Arrow" key is located in the lower-left corner and the "EQW" key is located near the top of the 50G.

  • Write the equation you want to store on your HP 50G in the Equation Writer.

  • Press the "STO" button on the 50G. This is located near the upper-left corner of the calculator.

  • Type in the port number where you want to store the equation. Type "2" for internal memory or "3" to store the equation on an SD card.

  • Enter a name for the equation. Separate the port number from the name using a colon. For example, "3:Equation5" would store the equation on the SD card and name the equation "Equation5."

  • Press the "Enter" key in the lower-right corner of the 50G to store the equation on your calculator.


  • Photo Credit calculator image by jedphoto from
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