HP 30b Business Professional Calculator - Manual (Page 68)

Break-even 60
To reset the menu items to their default values, with any item of the Break-even menu displayed
press
:x
. With BrkEven displayed, press
I
to reset the menu, or
O
to
cancel. Press
O
again to exit the menu.
Table 9-1 Break-even Example
Keys Display Description
:y Opens the Break-even menu starting with
the current value for fixed costs.
1500
00I Inputs 150,000.00 for fixed cost.
<250
I Inputs 250.00 for variable cost per unit.
<300
I Inputs 300.00 for price.
<100
00I Inputs 10,000.00 for profit.
<= Calculates the current value for the
unknown item. 3200 units would have to
be sold to return a profit of 10,000.00.