
kClearing the Calculation Mode and Setup Settings
Perform the procedure described below to clear the current calculation mode and all setup settings and initialize the calculator to the following.
| Calculation Mode ................................ | COMP (Computation Mode) | 
| Angle Unit ........................................... | Deg (Degrees) | 
| Exponential Display............................. | Norm1 | 
| Fraction Format .................................. | ab/c (Mixed Fractions) | 
| Complex Number Format ................... | a+bi (Rectangular Coordinates) | 
| Frequency Setting .............................. | FreqOn (Frequency On) | 
Perform the following key operation to clear the calculation mode and setup settings. !9(CLR)2(Setup)w
If you do not want to clear the calculator’s settings, press A in place of w in the above operation.
Inputting Calculation Expressions and Values
kInputting a Calculation Expression (Natural Input)
The natural input system of your calculator lets you input a calculation expression just as it is written and execute it by pressing w. The calculator determines the proper priority sequence for addition, subtraction, multiplication, division, functions and parentheses automatically.
Example: 2 × (5 + 4) – 2 ×2*(5+4)- 2× ( 5+ 4 ) – 2× - 3
Your calculator supports input of the scientific functions with parentheses shown below. Note that after you input the argument, you need to press ) to close the parentheses.
sin(, cos(, tan(, 
s30)w s i n ( 30 )
05