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Twenty years ago the digital differential analyzer, DDA, was developed to replace the analog computer in the solution of differential equations. Although the DDA is slower than the analog computer, the DDA is capable of more accurate results since its ...

Decimal multiplication is important in many commercial applications including financial analysis, banking, tax calculation, currency conversion, insurance, and accounting. This paper presents the design of two decimal floating-point multipliers: one ...

The mathematical analog involved in the Digital Differential Analyzer, (Digital Analog Computer), requires a different approach to partial differential equations. The usual boundary and initial condition problem becomes a selection of auxiliary partial ...