Investment Analysis    55 
 
ALG Mode: 
1. 
Key in the desired gross profit and press +. 
2. 
Key in the fixed cost and press ³. 
3. 
Key in sales price per unit and press -. 
4. 
Key in the variable cost per unit and press z. 
5. 
Press ~~³ to calculate the sales volume. 
 
 
 
To calculate the required sales price to achieve a given gross profit at a specified sales 
volume: 
 
RPN Mode: 
1. 
Key in the fixed costs and press \. 
2. 
Key in the gross desired and press +. 
3. 
Key in the specified sales volume in units and press z. 
4. 
Key in the variable cost per unit and press + to calculate the required sales price per 
unit. 
 
ALG Mode: 
1. 
Key in the fixed costs and press +. 
2. 
Key in the gross desired and press z. 
3. 
Key in the specified sales volume in units and press +. 
4. 
Key in the variable cost per unit and press ³ to calculate the required sales price per 
unit. 
 
 
Example 1: The E.Z. Sells company markets textbooks on salesmanship. The fixed cost 
involved in setting up to print the books are $12,000. The variable cost per copy, 
including printing and marketing the books are $6.75 per copy. The sales price per copy is 
$13.00. How many copies must be sold to break even? 
 
 
12c platinum / 12C
RPN Keystrokes 
12c platinum 
ALG Keystrokes 
Display Comments 
12000\ 12000³ 
 12,000.00 
Fixed cost. 
13\ 13- 
 13.00 
Sales price. 
6.75-z 6.75z~~³
 1,920.00 
Break-even volume.