Frequently Asked Questions - Casio fx-570ES PLUS User Manual

Approximate Weight:
fx-570ES PLUS: 100 g (3.5 oz) including the battery
fx-991ES PLUS: 95 g (3.4 oz) including the battery

Frequently Asked Questions

k How can I perform input and display results the same way I did on a
model that does not have Natural Textbook Display?
Perform the following key operation: 1N(SETUP) 2(LineIO). See
"Configuring the Calculator Setup" on page E-5 for more information.
k How can I change a fraction form result to decimal form?
How can I change a fraction form result produced by a division
operation to decimal form?
See "Toggling Calculation Results" on page E-9 for the procedure.
k What is the difference between Ans memory, independent memory,
and variable memory?
Each of these types of memory acts like "containers" for temporary storage
of a single value.
Ans Memory: Stores the result of the last calculation performed. Use this
memory to carry the result of one calculation on to the next.
Independent Memory: Use this memory to totalize the results of multiple
calculations.
Variables: This memory is helpful when you need to uses the same value
multiple times in one or more calculations.
k What is the key operation to take me from the STAT Mode or TABLE
Mode to a mode where I can perform arithmetic calculations?
Press N1(COMP).
k How can I return the calculator to its initial default settings?
Perform the following operation: 19(CLR) 1(Setup) =(Yes)
k When I execute a function calculation, why do I get a calculation result
that is completely different from older CASIO calculator models?
With a Natural Textbook Display model, the argument of a function that
uses parentheses must be followed by a closing parenthesis. Failing to
press ) after the argument to close the parentheses may cause unwanted
values or expressions to be included as part of the argument.
Example: (sin 30) + 15 v
Older (S-VPAM) Model:
Natural Textbook Display Model: b s 30 )+ 15 =
Failure to press ) here as shown below will result in calculation of sin 45.
s 30 + 15 =
E-43
s 30 + 15 =
0.7071067812
15.5
15.5