Introduction 
  1.4 User interface 
Turning 
Operating Manual, 03/2013, 6FC5398-8CP40-3BA1 
51 
 
 
Procedure 
 
  1.  Position the cursor on the desired entry field. 
 
 
2.  Press the <=> key. 
    The calculator is displayed. 
  3.  Input the arithmetic statement. 
You can use arithmetic symbols, numbers, and commas. 
 
4.  Press the equals symbol on the calculator. 
 - OR - 
 
  Press the "Calculate" softkey. 
 - OR - 
 
  Press the <INPUT> key. 
The new value is calculated and displayed in the entry field of the 
calculator. 
 
5.  Press the "Accept" softkey. 
The calculated value is accepted and displayed in the entry field of the 
window. 
 
 
 
Note 
Input order for functions 
When using the square root or squaring functions, make sure to press the "R" or "S" function 
keys, respectively, before entering a number.