4
b. Problem solving mode
Press
to enter problem solving and
with
and
and
to set.
To exit problem solving press
and the
small icon will disappear from the screen.
In
MAN
(manual mode) you can enter
your own problem
– eg ? x ? = 36,
and the calculator shows that this has
9 solutions
– it only counts positive whole
numbers, and 9 x 4 is different from 4 x 9.
Also in
MAN
mode,
the place value menu is available. See section 10 for further information.
Inequalities and equalities can be tested. Press
once for LESS THAN,
and
for GREATER THAN. The calculator will indicate whether a
statement is correct (YES) or incorrect (NO).
