.../common/components/input-elements/math-table.component.ts

projects/common/models/elements/element.ts

projects/common/models/elements/input-elements/math-table.ts

projects/common/models/elements/property-group-interfaces.ts

...put/components/keypad-layout/keypad-layout.component.html

...r/modules/key-input/components/keypad/keypad.component.ts

...s/key-input/directives/key-input-restriction.directive.ts

...ve-group-element/interactive-group-element.component.html

...tive-group-element/interactive-group-element.component.ts

projects/player/src/app/pipes/has-return-key.pipe.ts

projects/player/src/app/services/input-service.ts

projects/player/src/app/services/keyboard.service.ts

projects/player/src/app/services/keypad.service.ts