Thank you everyone for the responses! This appears to be a much deeper problem/challenge than I had anticipated. I found that if I write it out and divide out the units, I can make things work! Thank you!
When I open a blank instance of MathCAD Prime 6.0.0.0, and I evaluate the following equation, it evaluates as false. When I remove the units it evaluates as true. What is happening and why do the units impact this?
12.75 in + 6*1.5 in = 21.75 in ---- This evaluates as false.
12.75 + 6*1.5 =...