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Chapter 4 Calculator
4.1 Simple Calculator
This Calculator can perform the major functions of a simple
calculator, such as arithmetic calculation, percentage calculation,
memory functions, etc.
Choose "Simple Calculator" from Calculator
main menu.
Press the menu key to return to Calculator
main menu.
4.1.1 Arithmetic Calculation
1. To calculate "1568+2389=?", enter "1568" and press [T] (i.e. "+")
to add. Enter "2389" and then press [ENTER] (i.e. "=") to get
the result. The result is "3957".
2. To calculate "250
x
20%=?", enter "250" and press [U] (i.e. "
x
") to
multiply. Then enter "20" and press [O] (i.e. "%"). The result
is "50".
3. Press [CLEAR] to clear the numbers.
4.1.2 Indices and Roots
1. To calculate the multiple of 3, enter "3" and press [U] (i.e. "
x
") twice
and press [ENTER] to get the result "9". Press [ENTER] once
more to calculate "3
x
3
x
3=27" and so on.
2. To calculate"
√
81=?", enter 81 and press [N] (i.e.
√
) to find the
square root. The result is "9".
3. Press [CLEAR] to clear the numbers.
4.1.3 Memory
1. Press [R] (i.e. "M+") to add the value in the memory.
2. Press [E] (i.e. "M-") to subtract the value from the memory.
3. Press [W] (i.e. "MR") to show the value stored in the memory.
4. Press [Q] (i.e. "MC") to delete the value in the memory.
