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On 9/16/25, celebrate a date of mathematical beauty

Pi Day (3/14) often comes with sweet treats; Square Root Day (4/4/16 or 5/5/25, for example) has a certain numerical rhyme.
C&EN

Assessment of Two-Dimensional Separative Systems Using the Nearest Neighbor Distances Approach. Part 2: Separation Quality Aspects

† Groupe de Chimie Analytique de Paris-Sud EA 4041, LETIAM, IUT d’Orsay, Univ. Paris-Sud, Plateau de Moulon, 91400 Orsay, France ‡ Laboratoire de Recherche des Monuments Historiques, 29 rue de Paris, ...
IEEE

On the Computation of Correctly Rounded Sums

Abstract: This paper presents a study of some basic blocks needed in the design of floating-point summation algorithms. In particular, in radix-2 floating-point arithmetic, we show that among the set ...
IEEE

A modular approach to the computation of convolution sum using distributed arithmetic principles

Abstract: Inner product evaluation can be considered to be basic to all digital signal processing algorithms. Distributed arithmetic (DA) is a bit serial memory-oriented method that implements inner ...
Monash University

Sine and cosine rules

Trigonometry is often aligned with right-angled triangles only. However, an understanding of trigonometry can also be extended to non-right angle triangles to find unknown sides or angles. The Sine ...