Easy to see easy to correct Takes the
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Easy to see, easy to correct! Takes the frustrations out of calculations!
The Track. Back Difference • The 2 -line large LCD screen clearly displayscalculation details and shows previous entries. No more ambiguity and uncertainties. • With the built-in functionality to review, verify, and correct calculations and analysis, the Track. Back is a Calculation Innovation. This feature is one of a kind, and helps eliminate re-dos and save time.
The Track. Back Difference 1. Review and correct Have you ever asked yourself, "Did I enter all values correctly? ”, when hitting the Equal key after entering a long list of numbers? With the Track. Back, even after completing a calculation, you can easily go back and correct entered values.
The Track. Back Difference 2. No more guesswork Never have to repeat the tedious work of crunching numbers to verify your results. With Track. Back, you can review and update entries just like you can in Excel.
The Track. Back Difference 3. What you see is what you get Unlike traditional calculators, the Trackback will automatically calculate based on order of operation rules. For example, to calculate 7+7÷ 7+7 x 7 -7, just enter the equation as written, and you’ll get the correct answer. The Track. Back’s large 2 -line screen clearly displays your entries and your results.
The Track. Back Difference 4. 79 or 1000 -entry trackback The Track. Back can store up to 25 calculations with an average of 40 characters. Entries can be reviewed with the left/right or up/down scroll keys.
DH-2202 Basic Small Handheld • Trackback up to 79 entries • Extra large 2 -line display: 11 -digit dot matrix and 12 -digit segment display • Make corrections to current calculations • Solar supplemental power • Dimensions: 2. 76 X 5. 35 X 0. 67 in.
DD-2361 Basic Desktop • Trackback up to 79 entries • Extra large 2 -line display: 11 -digit dot matrix and 12 -digit segment display • Make corrections to current calculations • Solar supplemental power • Dimensions: 4. 13 X 6. 10 X 0. 87 in.
DD-2362 Basic+ Large Desktop • Trackback up to 1, 000 entries • Extra large 2 -line display: 11 -digit dot matrix alphanumerical and 12 -digit segment display • Tax calculation (tax rate programmable) • Make corrections to current and previous calculations • Solar supplemental power • Dimensions: 5. 12 X 7. 48 X 1. 18 in.
Contacts Wayne Pi wayne@datexx. com Tel: +1 -310 -214 -9810 (California) Tel: +86 -1305 -816 -6153 (China) Mei Noguchi mei@datexx. com Tel: +1 -908 -244 -4646 (New Jersey)
