| ProKalc is a full-featured scientific/financial calculator with scrolling tape. Using a point- and-click interface, you enter data for trig, exponential, scientific, and amortization problems and get immediate answers, with your input reviewable on tape. You can print results to the Clipboard, a file, or a printer. Ten memory locations, online context-sensitive help, pop-up work screens for complex calculations, and 15-digit accuracy without rounding errors make ProKalc a winner. | 
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