BA II Plus Calculator Manual
70 Other Worksheets
Resetting the Percent Change/Compound Interest 
Worksheet Variables
• To reset the Percent Change/Compound Interest variables to default 
values, press & z while in the Percent Change/Compound 
Interest worksheet. 
• To reset default values for all calculator variables and formats, press 
& } !.
Entering Values
• For percent-change calculations, enter values for any two of the 
three variables (OLD, NEW, and %CH) and compute a value for the 
unknown variable (leave 
#PD=1). A positive percent change 
represents a percentage increase; a negative percent change 
represents a percentage decrease.
• For compound-interest calculations, enter values for the three 
known variables and compute a value for the unknown fourth 
variable. 
– OLD= present value 
– NEW= future value 
–
%CH= interest rate per period
– #PD= number of periods
• For cost-sell-markup calculations, enter values for two of the three 
variables (OLD, NEW, and %CH) and compute a value for the 
unknown. 
– OLD = cost 
–
NEW= selling price 
– %CH= percent markup
– #PD= 1
Computing Values
1. To select the Percent Change/Compound Interest worksheet, press 
& q. The current value for OLD is displayed.
2. To clear the worksheet, press & z.
Variable Default Variable Default
OLD 
0
%CH
0
NEW
0
#PD
1










