[arch3/_private/calc1_ahdr.htm]

Re: HP 15C

From: M Currie
Email:

Comments

Turn off the calculator. Then (quoting manual) "Press and hold [ON], press and hold [.], release [ON], then release [.] ([ON]/[.]). (Repeating this sequence will set the calculator to the previous display convention.)"

[arch3/_private/calc1_aftr.htm]