4 calculator, Operation, Calculator – HEIDENHAIN TNC 640 (34059x-04) ISO programming User Manual
Page 136: Programming: programming aids 4.4 calculator

Programming: Programming aids
4.4
Calculator
4
136
TNC 640 | User's Manual for DIN/ISO Programming | 3/2014
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
Selecting the calculator: The calculator is operated with short
commands via soft key or through the alphabetic keyboard.
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