User`s guide
Break-even
109
11 B r e a k - e v e n
The break-even function allows you to study problems involving a profit, when a quantity of 
items, with a cost to manufacture and a fixed price to develop and market, is sold at a given 
price. On the 10bII+, break-even calculations are performed using the functions printed in 
blue on the keyboard located under the blue bracket titled, BREAKEVEN. Break-even 
calculations are based on data entered into these keys, which are listed in the table below: 
The Break-even Keys
When entering data for break-even calculations, results are calculated based on data entered 
into specific memory registers. When pressed, the keys used for these operations:
• store data. 
• enter known data for variables used during calculations.
• calculate unknown variables based on stored data. 
Table 11-1 Break-even keys
Key Description
]OY 
Clears break-even memory.
]¬ 
Stores the quantity of units required for a given profit or calculates it.
]© 
Stores the sales price per unit or calculates it.
]¦ 
Stores variable cost per unit for manufacturing or calculates it.
]£ 
Stores the fixed cost to develop and market or calculates it.
]~ 
Stores the expected profit or calculates it.










