Free differential backup software for windows

What would happen if you lose your digital photos, music, emails, important documents, database files or favorite electronic books?
What would you do? Everyone knows that information is priceless and you cant afford to lose it.
Titan Backup is an easy-to-use solution, designed for secure backups of your important data. It can make automatic backups of your important files and documents, virtually on any type of storage media including CD/DVD-RW, removable devices, network drives and remote FTP servers.
A well designed user interface and a flexible scheduler makes it easy to organize the automatic backups. ZIP compression allows you to save the disk space.
The main features of Titan Backup software: Easy to use wizard-driven interface and simple browsing between the Backup Tasks; Having many free plug-ins installed by default, Titan Backup software facilitates the backup of files, folders, emails, system registry and more... ; Predefined searching filters that allow you to backup certain file types from your computer; Non-proprietary archive format. Titan Backup uses standard Zip archives (ZIP64), including self-extracting archives - ZIP64 support: zipped backups can now be larger than 4 GB. Entire compression engine was re-written to support large archives; Version control, incremental and differential backups; Before / After commands; Backup to virtually any storage device (including LAN, CD/DVD, removable devices, remote FTP servers, etc); Backup Windows Registry; Built-in easy-to-use task scheduler; Email notifications regarding the backup task; Detailed logs of all backup operations; Sync Tasks - allows you to synchronize folders from different medias( example:sync your USB stick with MP3 with your computer).

A fault in a protection zone (a part of a network) can be detected by comparing the currents at both ends of the zone. If the currents are different, there is a fault in the zone.
The comparison is not straightforward, however, if there is a transformer in the zone, because the magnitudes and often also the phases of the primary and secondary currents of a transformer are different. The measured value of either the primary or secondary current must be corrected, or compensated for the differences due to the transformer before the comparison.
This Differential Protection Calculator application is designed to calculate the necessary corrections. The phase difference is corrected by multiplying the measured or calculated three phase current vector by a matrix, and the magnitude is corrected by multiplying by a constant.
In addition, some other simple operations can be done with this program to the current vector, such as the change of the sign, the calculation of the complex conjugate, and the calculation of the sequence components from the phase components, and vice versa

FS Backup - the simplest and most effective solution to avoid any data losses FS Backup - the simplest and most effective solution to avoid any data losses.
No setup and very simple configuration. Works for a single computer, a local network or even for FTP backups. FS Backup is a very useful and free data backup solution.
Version restrictions:
- No setup : just copy the executable file into a shared directory on the master station of your network (the server for example) and execute the program through the network share.
- The program starts automatically every time you restart a computer and log in (an icon appears on the tray icon bar near the clock).
- Minimal Configuration and parameters :Just choose a directory that will contain all your backups and choose on each workstation which directories you want to backup.
- Centralized configuration : no matter how many workstations you have on your network it takes only a few minutes to configure all the parameters.
- Data confidentiality : you can choose if you want to encrypt your data or not.
- You are sure then that even on distant FTP backups no one will open your files.
- Data compression (bzip2):Your data files will be 3 or 4 time smaller when backed up.
- Database backup : with FS BackUp you can backup all kinds of server based databases (Oracle, SQL Server, MySQL,...). You just have to configure the stop and restart scripts.
- Differential backup :Every day FS BackUp only stores new or updated files ,thus avoiding disk space losses. And you can backup several versions of your files and maintain the history. You can then restore any version of your files.
- Automatic updates : FS BackUp checks once a day if a new version is available on our server and then downloads it. FS BackUp then restarts itself without your intervention and you have the last version !

Simple BackUp is a backup utility which works from the command line Simple BackUp is a backup utility which works from the command line.
The most simple way of using the program is a .bat file.