Calculated Industries 3420 Pocket Reference Guide - Manual (Page 14)

P OCKET R EFERENCE G UIDE — 13
Mortgages and Real Estate Mortgages
• The financial functions — l , p , T
and ˆ — work just like you would say
them. For example, to find the payment
on a $100,000 mortgage for 25 years
at 10% interest, enter the three known
variables and press the key for the
unknown fourth variable:
p .
• Financial values may be entered in any
order.
• Values for Term and Interest are per-
manently stored in Memory.
• The word “run” will appear in the dis-
play when calculating interest and other
problems.
• Always press o twice after complet-
ing a financial problem to ensure the
financial registers are cleared.
• Once an answer is calculated (for
example, a payment) you can change
any variable and recompute for a new
answer without having to re-enter the
other data.
3420PRG-E-A 7/2/04 9:07 AM Page 13