HEIDENHAIN TNC 640 (34059x-05) ISO programming - Manual (Page 144)

Programming: Programming aids
4.4 Calculator
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TNC 640 | User's ManualDIN/ISO Programming | 1/2015
4.4 Calculator
Operation
The TNC features an integrated calculator with the basic
mathematical functions.
Use the CALC key to show and hide the on-line calculator
Select the arithmetical functions: The calculator is operated
with short commands via soft key or through the alphabetic
keyboard.
Calculate function Shortcut (soft key)
Addition +
Subtraction –
Multiplication *
Division /
Calculations in parentheses ( )
Arc cosine ARC
Sine SIN
Cosine COS
Tangent TAN
Powers of values X^Y
Square root SQRT
Inversion 1/x
pi (3.14159265359) PI
Add value to buffer memory M+
Save the value to buffer memory MS
Recall from buffer memory MR
Delete buffer memory contents MC
Natural logarithm LN
Logarithm LOG
Exponential function e^x
Check the algebraic sign SGN
Form the absolute value ABS