HEIDENHAIN TNC 640 (34059x-01) ISO programming - Manual (Page 124)

124 Programming: Programming Aids
4.4 On-Line Calculat
or
4.4 On-Line Calculator
Operation
The TNC features an integrated calculator with the basic mathematical
functions.
U Use the CALC key to show and hide the on-line calculator
U The calculator is operated with short commands through the
alphabetic keyboard. The commands are shown in a special color in
the calculator window:
Mathematical function Command (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