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Images & Handbooks



Photos


Nature

Animal Kingdom  - See photos at biology section

Flora (plants and flowers) - See photos at biology section

Planets & Stars & Constellations - See other photos at astronomy section  


Sicily: Cities & Landscapes & Folklore

A Trip to Catania

Etna    


Various

Minerals

Photos with Microscope

Instruments  


Handbooks


Photography
Reproduction Ratio Calculation
How to Test Focus  


Computer Science
[ZIP] Protection with Software Key (12,7 KB)

An easy guide explaining how to protect software using a sw key related to the volume serial number. PDF format compressed into a zip file.


[ZIP] 3D Representation on Plain Surface (19,9 KB)

An easy guide explaining how to draw functions of two variables. PDF format + Visual Basic 6.0 project  compressed into a zip file.


[ZIP] Cryptography of Data (11,6 KB)

A guide explaining how to make an easy but efficacious cryptography  software; example in Visual Basic. PDF format compressed into a zip file.


[ZIP] Translation to Machine Language (19,3 KB)

A complete guide for translation from 8086 - 8087 assembly language to machine language. PDF format compressed into a zip file.


[ZIP] Notes on C/AL (9,05 KB)

A quick reference about specific functions of C/Side Application Language used by Navision. PDF format compressed into a zip file.


[ZIP] Notes on C/FRONT (12,4 KB)

A quick reference about main functions of Navision C/FRONT. PDF format compressed into a zip file.


[ZIP] Let's make a simple screen saver in Visual Basic (20,09 KB)

A simple guide explaining how to make a simple screen saver in Visual Basic. PDF format + Visual Basic 6.0  project  compressed into a zip file.  


Electronics
[ZIP] Notes on Pratical Electronics (239 KB)

A synthetic guide: colour and alphanumeric codes for resistors, capacitors and inductors; commercial values; basic electronics formulas; basic symbols. PDF format compressed into a zip file.  


Biology


Index Cards

Italian Arthropod dangerousness; some of the biggest species; common invertebrates in house; protected species, and more...


Illustrated Glossary of Entomology


Illustrated Glossary for Arachnids


Illustrated Guide to the Main Phyla of the Italian Terrestrial Invertebrates


Identification of Insects

A handbook on identification of insect order; there are many photos of insects. Available on line.


Identification of Arthropods

A handbook on identification of arthropod class. Available on line.


Identification of Mollusks

A handbook on identification of mollusk class. Available on line.


Identification of Amphibians and Reptiles

A guide on identification of Amphibian and Reptile orders. Available on line.


Identification of Vertebrates and Mammals

A guide on identification of vertebrate class and mammal order.


Birds

Photo album of the most common birds.  


[PDF] Identification of Insects (Rev. 2.2 12  February 2017) - guide in pdf format (2 MB)

Identification of Insects - A pdf guide on the identification of insects with keys to the order and family level.


Botany


Flora (plants and flowers)
Photos about plants and flowers.

Illustrated Glossary of Botany
A small illustrated glossary of botany.
 

Astronomy


Solar System
Stars and Constellations
Sun-light