Can I do port I/O and serial port control operations from SheerPower?
A. Yes, SheerPower 4GL has COM port support. Please see the chapter in our documentation on Writing Network Applications and Accessing Devices. The end of that chapter contains the section on Communication Port Support. Once the COM port has been opened, you just PRINT or INPUT to/from the COM port. When INPUTTING, if there is no data you will get back a zero-length string. Q. I create programs that generate “gcode”, the language of CNC machines used all over the world to fabricate countless items used in daily life. I need very precise math. Can SheerPower provide me with the mathematical precision that I need? A. Yes. We devoted a huge amount of time in developing our own patented math package. The math package (called Perfect Precision) avoids all of the “floating point math” precision problems that one always encounters. Details on SheerPower 4GL’s “Perfect Precision” math package can be seen at: Perfect Precision Math Also on that webpage is a link to an IBM sponsored site that ex