X2Net SmartSum

X2Net SmartSum 3.0 is a talking printing calculator/adding machine which features...a scrollable "tally roll" ;you can go back and correct entries; insert and delete entries; save and re-load calculations; print the tally roll with choice of fonts; add comments to the tally roll and individual entries; check off entries; produce subtotals; automatic sales-tax (VAT) calculations, use 10 memories; write user-programmable macros; replace the digit vocalization with your own etc. etc.