Sharp EL-5800 Scientific Calculator: sturdy built and reliable machine

[jebem]

After power on. Current consumption = 62mA
All digits lit. Current consumption = 80mA



Main PCA folded and in place.




Cover installed. It snaps at 10 different points (latches). It takes just one screw.




Forensics test - asin(acos(atan(tan(cos(sin(9))))))result:
10.7508





Error condition on display: SQRT(-2):
All zeros and all decimal points lit.




Despite being boxy, it is still a nice looking machine.




This is the package I got.