It contains the main functions of a calculator, including basic calculations, square, square root and percentage
calculation.
Input the numbers to perform calculation.
Press
to clear the inputted number.
e.g. calculate 126 + 12 = ?.
Input "126", press
(i.e. "+"), input "12",
then press
(i.e. "=") to get: 126 + 12 =
138.
Press
to clear the results.
e.g. calculate 200
✕
10% = ?.
Input "200", press
(i.e. "
✕
"), input "10", press
(i.e. %.), then
to get: 200
✕
10% =20
Press
to clear the number.
Press
(i.e. “M+”) to memorize the calculated
result;
Press
(i.e. “M-”) to subtract the numbers from memory;
Press
(i.e. “MR”) to display the memorized numbers;
Press
(i.e. “MC”) to clear the memorized number.
e.g. calculate
√
81=?.
Input “81”, press
(i.e. ‘
√
’)
to get:
√
81=9
e.g. calculate the multiples of 3.
Input “3”, press
(i.e. "
✕
"), then press
(i.e.
"=") to get: 3
✕
3=9.
Press
(i.e. "=") again to get 3
✕
3
✕
3=27;
Press
successively to get the multiples of 3.
4.2 Scientific Calculator
Besides simple calculations, various functions are also included.
Input the numbers to perform the relevant calculation.
Press
to clear the inputted number.
e.g. calculate 786 + 269 = ?.
