+/- function on HP-28S??



#7

Hi all,
I just bought an HP-28S without a users manual and am trying to get by without it until I can find one. I'm having a problem finding the +/- function...
example: 2.5E-6 (how do you enter the "-" ??)
Anyone know?
regards,
OrB


#8

Must be a recent HP convert. For ages, negative numbers were entered using the CHS (change sign) key.

Welcome to the way of truth.


#9

It's nice to see so many converting over from the "Dark side" isn't it?

Paul

#10

CHS FOREVER!

tm


#11

123456 to remove

#12

Who would've thought the CHS key could be the one.
I love my HP28S and have a hard time putting it down. Girlfriend's getting a little jealous.....might have to hide the calculator somewhere safe lest it be sacrificied.
thanks all,
OrB


Possibly Related Threads...
Thread Author Replies Views Last Post
  HP50g: Writing a function that returns a function Chris de Castro 2 711 12-10-2013, 06:49 PM
Last Post: Han
  IFERR function on HP Prime Mic 2 613 12-02-2013, 01:33 AM
Last Post: cyrille de Brébisson
  HP Prime: Dirichlet's eta function recognized but not numerically evaluated Helge Gabert 0 369 11-16-2013, 03:41 PM
Last Post: Helge Gabert
  Possible bug with sqrt function in the HP prime Michael de Estrada 6 817 11-15-2013, 12:49 PM
Last Post: Michael de Estrada
  HP-41 MCODE: The Last Function - at last! Ángel Martin 0 381 11-08-2013, 05:11 AM
Last Post: Ángel Martin
  HP Prime 'where' function bluesun08 11 1,257 10-29-2013, 06:56 PM
Last Post: Joe Horn
  HP Prime - Defining a function bluesun08 5 751 10-23-2013, 02:43 PM
Last Post: Han
  HP PRIME Function parameters steindid 2 513 10-11-2013, 10:20 AM
Last Post: steindid
  HP Prime can't find how to use partfrac function ! dg1969 3 568 10-04-2013, 09:25 PM
Last Post: Joe Horn
  HP Prime function APP - Strange limitation ! :o( dg1969 2 571 10-04-2013, 12:10 PM
Last Post: dg1969

Forum Jump: