
FX 115 MS Training guide
Memory Calculations
There are different types of memory available:
Answer Memory, Consecutive Calculations, Independent Memory, and Variables, and CALC.
Answer Memory
Whenever you press [=] after inputting values or an expression, the calculated result
automatically updates the Answer Memory contents by storing the result. You can recall
it by pressing [ANS].
Consecutive Calculations
You can use the calculation result that is currently on display (and also stored in Answer
Memory) as the first value of your next calculation.
Independent Memory
Independent Memory uses the memory area in variable M and is convenient for
calculating cumulative totals.
To add a value to M, press [M+].
To subtract a value from M, press [SHIFT] [M-].
To recall the value of M, press [RCL] [M].
Variables
There are 9 variables available (including M) to store data (A through F, M, X, and Y)
To add a value to memory letter A, enter the value and press [SHIFT] [STO] [A].
To recall the value of A, press [RCL] [A].
Note
: Do NOT use the ALPHA key.
Clearing Memory
To clear independent memory, press [0] [SHIFT] [STO] [M] (
this stores 0 in M
).
To delete data assigned to a specific variable, press [0] [SHIFT] [STO] <> (enter the
letter you want to clear, without pressing the ALPHA key).
To clear the values assigned to all of the variables, press [SHIFT] [CLR] [1] [=].
CALC Memory
CALC memory lets you temporarily store a mathematical expression that you need to
perform a number of times using different values. Once you store an expression, you
can recall it, input values for its variables, and calculate a result quickly and easily.
• The CALC memory can be used in the COMP mode and CMPLX mode only.
• You can store a single mathematical expression, with up to 79 steps.
• The stored expression is cleared when you start another operation, change to
another mode, or turn off the calculator.
Example: Calculate the result for y = x + 5 for different values of x.
Input the function: [ALPHA] [Y] [ALPHA] [=] [ALPHA] [X] [+] [5].
Store the expression by pressing [CALC]. You will be prompted for the value.
Enter the value followed by [=].
Note: You must press [CALC] before entering another value.
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References the Casio FX-115 MS User’s Guide Casio FX-115MS Scientific calculator
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