Sample Computer Applications for the High School Mathematics Classroom. Selected Topics--Level One.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Format:	Recurso educativo Open Access
Language:	en
Published:	1988
Subjects:	Computer Assisted Instruction Computer Oriented Programs Computer Software Computer Uses in Education High Schools Mathematical Applications Mathematical Concepts Mathematical Enrichment Mathematics Education Mathematics Materials Mathematics Skills Mathematics Tests Secondary School Mathematics
Online Access:	Acceder al recurso
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collection	Education Resources Information Center
contents	Sample Computer Applications for the High School Mathematics Classroom. Selected Topics--Level One. Computer Assisted Instruction Computer Oriented Programs Computer Software Computer Uses in Education High Schools Mathematical Applications Mathematical Concepts Mathematical Enrichment Mathematics Education Mathematics Materials Mathematics Skills Mathematics Tests Secondary School Mathematics This manual provides a relevant resource for mathematics teachers who wish to take advantage of the extensive library of computer software materials available to expand and strengthen classroom instruction. Classroom management procedures, software duplication guidelines, procedures for copying diskettes for MS DOS and Apple II computers, and methods for maintaining diskettes are described. Included are 59 classroom activities for teaching mathematical concepts using a computer. Included for each of the activities are: (1) the aim; (2) objectives; (3) vocabulary; (4) materials; (5) preparation; (6) motivation; (7) development; (8) application; (9) summary; and (10) homework. A list of 37 software items used in this guide is presented. (YP)
format	Recurso educativo Open Access
id	eric_ED315317
institution	ERIC Institute of Education Sciences
language	en
publishDate	1988
record_format	eric
spellingShingle	Sample Computer Applications for the High School Mathematics Classroom. Selected Topics--Level One. Computer Assisted Instruction Computer Oriented Programs Computer Software Computer Uses in Education High Schools Mathematical Applications Mathematical Concepts Mathematical Enrichment Mathematics Education Mathematics Materials Mathematics Skills Mathematics Tests Secondary School Mathematics Sample Computer Applications for the High School Mathematics Classroom. Selected Topics--Level One. Computer Assisted Instruction Computer Oriented Programs Computer Software Computer Uses in Education High Schools Mathematical Applications Mathematical Concepts Mathematical Enrichment Mathematics Education Mathematics Materials Mathematics Skills Mathematics Tests Secondary School Mathematics This manual provides a relevant resource for mathematics teachers who wish to take advantage of the extensive library of computer software materials available to expand and strengthen classroom instruction. Classroom management procedures, software duplication guidelines, procedures for copying diskettes for MS DOS and Apple II computers, and methods for maintaining diskettes are described. Included are 59 classroom activities for teaching mathematical concepts using a computer. Included for each of the activities are: (1) the aim; (2) objectives; (3) vocabulary; (4) materials; (5) preparation; (6) motivation; (7) development; (8) application; (9) summary; and (10) homework. A list of 37 software items used in this guide is presented. (YP)
title	Sample Computer Applications for the High School Mathematics Classroom. Selected Topics--Level One.
topic	Computer Assisted Instruction Computer Oriented Programs Computer Software Computer Uses in Education High Schools Mathematical Applications Mathematical Concepts Mathematical Enrichment Mathematics Education Mathematics Materials Mathematics Skills Mathematics Tests Secondary School Mathematics
url	https://eric.ed.gov/?id=ED315317

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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