Dial-Up (56K bps) or Direct (ISDN, Cable Modem, DSL, T1) connection to the Internet

Fastest Available. Charting also takes full advantage of multiple CPUs and hyperthreading

As much as possible. We recommend upgrading existing machines to the maximum memory supported by your computer. Memory is easy to purchase and install (simply contact your computer manufacturer before buying RAM to make sure you purchase exactly what you need) and inexpensive (cost is approximately $80 per 512 Megs of RAM you add)

Direct (ISDN, Cable Modem, DSL, T1) connection to the Internet with a backup through a 56K dial-up modem

Uninterruptible Power Supply (UPS) to protect against lightning and power outages. Attach computer, monitor and modem to UPS