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Deprecated (8192): Return type of Cake\Mailer\Email::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [CORE/src/Mailer/Email.php, line 2792]

Deprecated: Return type of Cake\Core\ObjectRegistry::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Core/ObjectRegistry.php on line 373

Deprecated: Return type of Cake\Core\ObjectRegistry::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Core/ObjectRegistry.php on line 363

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Deprecated (8192): Cake\Mailer\Email implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) [CORE/src/Mailer/Email.php, line 50]

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Deprecated (8192): Return type of Cake\Http\ServerRequest::offsetUnset($name) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [CORE/src/Http/ServerRequest.php, line 2483]

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Deprecated (8192): Return type of Cake\Chronos\Traits\FactoryTrait::createFromFormat($format, $time, $tz = null) should either be compatible with DateTime::createFromFormat(string $format, string $datetime, ?DateTimeZone $timezone = null): DateTime|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [ROOT/vendor/cakephp/chronos/src/Traits/FactoryTrait.php, line 204]

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Deprecated (8192): Return type of Cake\I18n\Time::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [CORE/src/I18n/DateFormatTrait.php, line 406]

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Deprecated (8192): Return type of Cake\I18n\FrozenTime::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [CORE/src/I18n/DateFormatTrait.php, line 406]

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Deprecated (8192): Return type of Cake\Chronos\Traits\FactoryTrait::getLastErrors() should either be compatible with DateTime::getLastErrors(): array|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [ROOT/vendor/cakephp/chronos/src/Traits/FactoryTrait.php, line 272]

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Deprecated (8192): Return type of Cake\Chronos\Traits\FrozenTimeTrait::setTime($hours, $minutes, $seconds = null, $microseconds = null) should either be compatible with DateTime::setTime(int $hour, int $minute, int $second = 0, int $microsecond = 0): DateTime, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [ROOT/vendor/cakephp/chronos/src/Traits/FrozenTimeTrait.php, line 77]

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Deprecated (8192): Return type of Cake\Chronos\Traits\FrozenTimeTrait::add($interval) should either be compatible with DateTime::add(DateInterval $interval): DateTime, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [ROOT/vendor/cakephp/chronos/src/Traits/FrozenTimeTrait.php, line 94]

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Deprecated (8192): Return type of Cake\Chronos\Traits\FrozenTimeTrait::modify($relative) should either be compatible with DateTime::modify(string $modifier): DateTime|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [ROOT/vendor/cakephp/chronos/src/Traits/FrozenTimeTrait.php, line 174]

Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234

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Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234

Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234

Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234
Deprecated (8192): Return type of Cake\Chronos\Traits\ModifierTrait::setDate($year, $month, $day) should either be compatible with DateTime::setDate(int $year, int $month, int $day): DateTime, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [ROOT/vendor/cakephp/chronos/src/Traits/ModifierTrait.php, line 114]

Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234

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Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234

Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234
Deprecated (8192): Return type of Cake\I18n\Date::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [CORE/src/I18n/DateFormatTrait.php, line 406]

Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234

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Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234

Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234
Deprecated (8192): Return type of Cake\Chronos\Traits\FactoryTrait::createFromFormat($format, $time, $tz = null) should either be compatible with DateTimeImmutable::createFromFormat(string $format, string $datetime, ?DateTimeZone $timezone = null): DateTimeImmutable|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [ROOT/vendor/cakephp/chronos/src/Traits/FactoryTrait.php, line 204]

Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234

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Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234
Deprecated (8192): Return type of Cake\Chronos\Traits\FactoryTrait::getLastErrors() should either be compatible with DateTimeImmutable::getLastErrors(): array|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [ROOT/vendor/cakephp/chronos/src/Traits/FactoryTrait.php, line 272]

Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234

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Deprecated (8192): Return type of Cake\Chronos\Traits\FrozenTimeTrait::setTime($hours, $minutes, $seconds = null, $microseconds = null) should either be compatible with DateTimeImmutable::setTime(int $hour, int $minute, int $second = 0, int $microsecond = 0): DateTimeImmutable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [ROOT/vendor/cakephp/chronos/src/Traits/FrozenTimeTrait.php, line 77]

Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234

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Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234
Deprecated (8192): Return type of Cake\Chronos\Traits\FrozenTimeTrait::add($interval) should either be compatible with DateTimeImmutable::add(DateInterval $interval): DateTimeImmutable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [ROOT/vendor/cakephp/chronos/src/Traits/FrozenTimeTrait.php, line 94]

Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234

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Deprecated (8192): Return type of Cake\Chronos\Traits\FrozenTimeTrait::sub($interval) should either be compatible with DateTimeImmutable::sub(DateInterval $interval): DateTimeImmutable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [ROOT/vendor/cakephp/chronos/src/Traits/FrozenTimeTrait.php, line 107]

Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234

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Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234
Deprecated (8192): Return type of Cake\Chronos\Traits\FrozenTimeTrait::setTimezone($value) should either be compatible with DateTimeImmutable::setTimezone(DateTimeZone $timezone): DateTimeImmutable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [ROOT/vendor/cakephp/chronos/src/Traits/FrozenTimeTrait.php, line 146]

Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234

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Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234
Deprecated (8192): Return type of Cake\Chronos\Traits\FrozenTimeTrait::setTimestamp($value) should either be compatible with DateTimeImmutable::setTimestamp(int $timestamp): DateTimeImmutable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [ROOT/vendor/cakephp/chronos/src/Traits/FrozenTimeTrait.php, line 160]

Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234

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Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234
Deprecated (8192): Return type of Cake\Chronos\Traits\FrozenTimeTrait::modify($relative) should either be compatible with DateTimeImmutable::modify(string $modifier): DateTimeImmutable|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [ROOT/vendor/cakephp/chronos/src/Traits/FrozenTimeTrait.php, line 174]

Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234

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Deprecated (8192): Return type of Cake\Chronos\Traits\ModifierTrait::setDate($year, $month, $day) should either be compatible with DateTimeImmutable::setDate(int $year, int $month, int $day): DateTimeImmutable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [ROOT/vendor/cakephp/chronos/src/Traits/ModifierTrait.php, line 114]

Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234

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Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234
Deprecated (8192): Return type of Cake\I18n\FrozenDate::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [CORE/src/I18n/DateFormatTrait.php, line 406]

Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234

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Deprecated (8192): Return type of Cake\Http\Cookie\CookieCollection::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [CORE/src/Http/Cookie/CookieCollection.php, line 199]

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Deprecated (8192): Return type of Cake\Http\Cookie\CookieCollection::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [CORE/src/Http/Cookie/CookieCollection.php, line 91]

Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in /home/helmi/homepages/pc-factory.at/mathematik/vendor/cakephp/cakephp/src/Utility/Text.php on line 234

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Deprecated (8192): Creation of dynamic property Zend\Diactoros\Uri::$base is deprecated [CORE/src/Http/ServerRequestFactory.php, line 108]

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Deprecated (8192): Creation of dynamic property Zend\Diactoros\Uri::$webroot is deprecated [CORE/src/Http/ServerRequestFactory.php, line 109]

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Deprecated (8192): Return type of Cake\Http\MiddlewareQueue::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice [CORE/src/Http/MiddlewareQueue.php, line 229]

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Deprecated (8192): Creation of dynamic property App\Controller\PagesController::$RequestHandler is deprecated [CORE/src/Controller/Controller.php, line 437]

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Mathematik Live-Stream
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Mathematik für alle

Willkommen auf meiner Mathematik-Seite!

Jede Woche Live-Streaming

Umfrage →

Streaming-Zeiten

Beispiele

Link zum Stream →

Schulstufe 9

Schulstufe 10

Schulstufe 11

Schulstufe 12

Link zum Stream →

Über mich

Ich liebe Mathematik, habe es studiert, bin Doktor geworden. Danach habe ich auf der Universität in der Mathematik-Forschung gearbeitet. Außerdem habe ich 20 Jahre lang Mathematik Nachhilfe gegeben. Es macht mir Freude, anderen zu helfen. Mein Ziel mit diesem Stream ist es, Mathematik gut zu erklären, damit es jeder versteht und einfach besser wird. Wer den Stream unterstützen möchte - herzlichen Dank dafür!