This site has of two sections, one with statistical online calculators, and another with microscope maintenance notes.
Statistical online calculators
As with any tools, the statistical online calculators can be used deceivingly. We trust that you will use them wisely and honorably.
Goodness-of-fit tests
Outlier tests
Microscope maintenance notes
The microscope maintenance notes are hobby work notes that have not been professionally reviewed for suitability and correctness. Use them with a skeptical mind.
General tips for microscope maintenance
Leitz microscopes with 170 mm mechanical tube length, from the “black era”
Leitz microscopes with 170 mm mechanical tube length, from the “grey era”
Leitz microscopes with 160 mm mechanical tube length, from the “white era”