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The Compleat User RPL Encyclopedia


(“Percent”)

X Y    X*Y/100
Keyboard Access:
  HP-28: the  key
  HP48S: [alpha] RS-TAN
         MTH PARTS NXT
  HP48G: [alpha] RS-TAN
         MTH REAL
HP49/50: [alpha] LS-1
         LS-MTH REAL
Percent function.

Unlike HP’s pre-RPL calculators,  does not leave the “Y” value on the stack. Therefore, to add a percentage to a subtotal, be sure to  the subtotal first, or add 100 to the percentage before using  .

Example: What’s the total cost of a $5.95 item with 7.5% tax?

Method 1:   (the  is necessary)
Method 2:   (no  or )
Method 3:   (no  or  or )
The HP48 and HP49/50 handle symbolic inputs differently.
   HP48:     
HP49/50:     
HP49/50 maximum integer inputs: no limit.

Also see:   

BYTES: 2.5