Results 51 to 60 of about 14,536,524 (252)

Elements of Higher Mathematics

open access: yes
This is a textbook for beginning mathematics students. Knowledge of school mathematics is not presumed: it starts with the basics of counting. The underlying idea is that the best way to learn mathematics is by doing mathematics.
Keune, Frans
core   +1 more source

Supporting the development of number fact knowledge in five- and six-year-olds [PDF]

open access: yes, 2014
This paper focuses on children’s number fact knowledge from a study that explored the impact of using multiplication and division contexts for developing number understanding with 34 five- and six-year-old children from diverse cultural and linguistic ...
Bicknell, Brenda   +1 more
core  

High‐Temperature Phase Transformation in a V‐9Si‐6.5B Alloy: The Kinetic and Crystallographic Pathway From V5SiB2 to V8SiB4

open access: yesAdvanced Engineering Materials, EarlyView.
In situ synchrotron high‐energy X‐ray diffraction reveals the real‐time high‐temperature phase evolution of a ternary V‐9Si‐6.5B alloy. The study uncovers a kinetically delayed V5SiB2 → V8SiB4 transformation governed by massive structural and chemical barriers.
Zahra Sabeti   +4 more
wiley   +1 more source

RESEARCH ON NUMBER THEORY AND SMARANDACHE NOTIONS [PDF]

open access: yes, 2009
This Book is devoted to the proceedings of the fifth International Conference on Number Theory and Smarandache Notions held in Shangluo during March 27-30, 2009, assembling not only those papers which were presented at the conference but also those ...
Wenpeng, Zhang (editor)
core   +1 more source

Enhancing Low‐Temperature Performance of Sodium‐Ion Batteries via Anion‐Solvent Interactions

open access: yesAdvanced Functional Materials, EarlyView.
DOL is introduced into electrolytes as a co‐solvent, increasing slat solubility, ion conductivity, and the de‐solvent process, and forming an anion‐rich solvent shell due to its high interaction with anion. With the above virtues, the batteries using this electrolyte exhibit excellent cycling stability at low temperatures. Abstract Sodium‐ion batteries
Cheng Zheng   +7 more
wiley   +1 more source

A Mathematical Theory of Origami Numbers and Constructions

open access: yes, 1999
We give a hierarchial set of axioms for mathematical origami. The hierachy gives the fields of Pythagorean numbers, first discussed by Hilbert, the field of Euclidean constructible numbers which are obtained by the usual constructions of straightedge and compass, and the Origami numbers, which is also the field generated from the intersections of ...
openaire   +2 more sources

Intermediate Resistive State in Wafer‐Scale Vertical MoS2 Memristors Through Lateral Silver Filament Growth for Artificial Synapse Applications

open access: yesAdvanced Functional Materials, EarlyView.
In MOCVD MoS2 memristors, a current compliance‐regulated Ag filament mechanism is revealed. The filament ruptures spontaneously during volatile switching, while subsequent growth proceeds vertically through the MoS2 layers and then laterally along the van der Waals gaps during nonvolatile switching.
Yuan Fa   +19 more
wiley   +1 more source

Math 210 Numbers Systems in Elementary Mathematics

open access: yes, 2013
MATH 210, Numbers Systems in Elementary Mathematics (3)\ud Prerequisite: Satisfaction of the Entry-Level Mathematics requirement.\ud Number sense, operation concepts, estimation, mental arithmetic, algorithms, problem solving, whole, rational real ...
Iorio, Geri
core  

Managing Students’ Math-Anxiety Through Humanistic Mathematics Education [PDF]

open access: yes, 2011
Prior to the national examination, there are many students and/or their parents often anxious excessively. Especially for math class, students often feel anxious not only at the time of the exam, but also long before the exam.
Djamilah Bondan , Widjajanti
core  

Number Theory I

open access: yes, 2023
This is the first semester of a one-year graduate course in number theory covering standard topics in algebraic and analytic number theory. At various points in the course, we will make reference to material from other branches of mathematics, including ...
Sutherland, Andrew
core  

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