LAUNCH TECH X-431 IV User Manual page 31

LAUNCH
2) Select 'Tools' in the pop-up menu.
Select the function needed in the pop-up
3)
submenu. (Refer to Figure 4-04)
5.2.1.1 Calculator
This calculator can perform not only common
calculations as a simple calculator, such as
addition and subtraction, but also the function
operations as a scientific calculator, such as
logarithm and factorial. (Refer to Figure 5-6).
1) In the pop-up menu of 'Tools', select
'Calculator' to open the Calculator
interface.
2) Click the square overlap icon on upper
left of the screen to switch between
scientific calculator and simple calculator.
3) Click 'Unit Conversion' button to switch
between unit conversion calculator and
simple calculator.
Figure 5-5
X-431IV English User's Manual
Figure 5-6
Common Calculator (Refer to Figure 5-5):
1) Click numeral keys on the screen to input.
2) Or activate Soft Keyboard, and click
numeral key on Soft Keyboard to input.
3) The operation is the same as that for
normal calculator.
Unit Conversion Calculator (Refer to Figure
5-7):
1) Click 'Unit type' button at the top right
corner to select unit type.
2) Input the number to be converted in the
blank next to the unit name, and then you
will see the conversion result.
3) If you want to return to simple calculator,
please click 'X' button at the top right
corner to close the current interface.
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