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Showing 1 to 20 of 60 for “"Calculators"”.
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Power system analysis on programmable calculators
… for use on minicomputers and programmable calculators. Algorithms for four different load flow techniques are developed and tested on the HP9830A programmable calculator. The transient stability analysis problem is reviewed, with special attention being given to the solution of the system …
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Comparing mortality calculators for emergency laparotomy in Cape Town
… national databases and audits. Risk prediction calculators (RPC) were developed to accurately stratify risk of mortality in these emergency patients, often frail prior to surgery. Access to post-operative care including high-care and Intensive Care Unit is limited in LMIC hospitals. Aims and …
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Performance impacts of mobile carbon footprint calculators in South Africa
… performance impacts of mobile carbon footprint calculators in South Africa. In fulfilment of this gap, the rationale of this study was to (1) investigate factors that are suitable to determine the fit of mobile technology for carbon footprint tasks, (2) adopt an existing model from the vast base …
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Calculators in Special Education Mathematics Classes in a Junior High School
<p>Very little has been written about the use of calculators by children with exceptional needs, although calculators are already being used by most adults who seldom do any but the simplest calculations by hand (Thorpe, 1988). They use calculators for everything from balancing checkbooks to …
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A comparison of mental strategies used by skilled and unskilled mental calculators
… used by high and low performing mental calculators. A number of high and low performing mental calculators were chosen as a result of their performances on twelve interview items. Both groups of students were given a set of division problems to complete mentally. After solving each …
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Effectiveness of using hand-held calculators for learning decimal quantities and the metric system
… was to determine whether using hand-held calculators was more effective for the acquisition and retention of concepts and skills on decimal algorithms and metric units than the use of pencil and paper computation only. The sample consisted of six intact sixth grade classes (175 students). …
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A study of the impact graphing calculators have on the achievement in high school pre calculus
<p>The use of graphing calculators in high school mathematics has long been debated. The transformation of function, in particular, parabolas, was studied and it was shown that there was no loss of achievement in Pre-Calculus classes with the use of graphing calculators. Assessments examined the …
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High School Teachers' Use of Graphing Calculators When Teaching Linear and Quadratic Functions: Professed Beliefs and Observed Practice
… mathematics teachers' beliefs about graphing calculators, their practices with the graphing calculators when teaching linear and quadratic functions, and the relationship between the teachers' beliefs and their practices. The study was conducted in two phases. In the first phase, 81 teachers …
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Use of scientific calculators in the teaching and learning of school mathematics: the case of one secondary school in Lusaka, Zambia.
The use of scientific calculators in the teaching and learning process of secondary school Mathematics in the Zambian education system began in 2001. Since then, there has been lack of the Zambian context research evidence regarding the use of scientific calculators in the teaching and learning …
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Use of scientific calculators in the teaching and learning of school mathematics: the case of one secondary school in Lusaka, Zambia.
The use of scientific calculators in the teaching and learning process of secondary school Mathematics in the Zambian education system began in 2001. Since then, there has been lack of the Zambian context research evidence regarding the use of scientific calculators in the teaching and learning …
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Technology in Mathematics Education: A Descriptive Study of the Availability and Uses of Calculators and Computers in Public High School Mathematics Classes in the State of Virginia
… investigate the availability and distribution of calculators and computers for the mathematics classes in public high schools across the State of Virginia; examine professional development activities used by teachers to prepare for the use of calculators and computers in the classroom; explore …
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The Effects of Graphing Calculator use on High-School Students' Reasoning in Integral Calculus
… of the effects on reasoning when graphing calculators are used, since it is proposed that, through reasoning, conceptual understanding can be achieved. Three research questions were used to guide the study: (1) Does the use of the graphing calculator improve high school calculus students' …
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A study of secondary teachers' attitudes toward the use of the graphing calculator to prepare for and perform on the HSPA
… be to identify the effectiveness of graphing calculators as instructional tools in building the skills needed to demonstrate proficiency on the New Jersey HSPA. To research this topic, teachers from South Jersey high schools were contacted and asked to respond to a survey regarding opinions …
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The effect of the hand-held calculator on mathematics achievement, attitude and self concept of sixth grade students
… of this study indicated that students using calculators demonstrated significant gains (P<0.001) in total mathematics achievement, computation and concepts and there were significant differences between female and male students on concept scores. No significant differences were found between …
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Linear Structural Equation Models for Intention and Achievement in Mathematics: A Study of Sims Student Data
… status, home support, favoring or using calculators, male domain, age, self-concept of ability, educational aspiration, emphasis on memorizing, taking more math classes, and achievement. Two models were suggested to investigate (a) students' intention to do well in mathematics, and (b) …
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Sustainable Pavement Construction: Developing a methodology for integrating environmental impact into the decision making process
… Rating Tools and Environmental Impact Calculators. Rating Tools gather predominantly environmental impact information in order to award a score to a project. Environmental Calculators are software tools that use material or equipment inputs to estimate the amount of pollutants produced …
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As concepções dos professores de matemática sobre o uso da calculadora em sala de aula: o caso de Mari - PB
… of teachers and their talk about the use of calculators in Mathematics classes. We interviewed 10 teachers from the local context of teaching, divided into three schools in the urban area. Initially a preliminary questionnaire was administered to two teachers to voluntarily answer questions …
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O uso de calculadora em sala de aula: um estudo de caso no interior da Paraíba.
… Because there are differences in the use of calculators, specifically in the Elementary School this study aims to show how often they give (or not) use the calculator as a teaching strategy in the municipality of Itaporanga, Paraiba. For this we chose a room 6 of the largest public school in …
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Computational tools for modeling and measuring chromosome structure
… The first project is a set of online and offline calculators of conformational statistics using a variety of published and unpublished methods, addressing the current lack of DNA model-building tools intended for general use. The second project is a reconstructive analysis that could enable in …
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Temporal case-based reasoning for insulin decision support
… the limitations of existing formula based calculators by using case-based reasoning to automatically improve bolus advice. Case-based reasoning is a method of articial intelligence that has successfully been adopted in the diabetes domain previously, but has primarily been limited to …
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