: Used for basic arithmetic calculation. Press
keys as they are written.
Can be omitted in the following cases:
• Before parenthesis (e.g. 3(4+7), (A+1) (B+2))
• Before ,
3
, sin, sin
-1
, log, In, 10
X
, e
X
, (e.g. 2 5 )
• Before fixed number and variables (e.g. 2 , 3AB)
(Percent): Used for percentage calculations. When this key is
pressed before using the four fundamental operations, the
entered value is divided by 100 and the calculation result is
displayed.
Example: 123
(1.23)
(Open, Close Parenthesis): For performing parenthesis
calculations where numbers and instructions to be stored in the
register are within 23 levels.
Example:
• and are always used together. Otherwise. "Syn (Syntax)
ERROR" will be displayed.
Basic Instruction Keys
It enters fractions and calculates both mixed and improper fractions.
Answers are given in mixed fractions.
Fractional Calculation Keys
2nd
Value Operation Display
F D
Example: Convert 180 degrees into radian and gradient.
Operation Display(Upper) Display(Lower)
180
"180 RAD" 3.141592654
"Ans GRAD" 200.
RAD
GRAD
2nd
2nd
- 7 -
