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The Little Professor is a backwards-functioning calculator designed for children ages 5 to 9. Instead of providing the answer to a mathematical expression entered by the user, it generates unsolved expressions and prompts the user for the answer.
On a single-step or immediate-execution calculator, the user presses a key for each operation, calculating all the intermediate results, before the final value is shown. [1] [2] [3] On an expression or formula calculator, one types in an expression and then presses a key, such as "=" or "Enter", to evaluate the expression.
The arrangement of digits on calculator and other numeric keypads with the 7-8-9 keys two rows above the 1-2-3 keys is derived from calculators and cash registers. It is notably different from the layout of telephone Touch-Tone keypads which have the 1 - 2 - 3 keys on top and 7 - 8 - 9 keys on the third row.
YouTube has also presented advocacy campaigns through special playlists featured on YouTube Kids, including "#ReadAlong" (a series of videos, primarily featuring kinetic typography) to promote literacy, [12] "#TodayILearned" (which featured a playlist of STEM-oriented programs and videos), [13] and "Make it Healthy, Make it Fun" (a ...
With Num Lock on, digit keys produce the corresponding digit. On Apple Macintosh computers, which lack a Num Lock key, the numeric keypad always produces only numbers; the Num Lock key is replaced by the Clear key. The arrangement of digits on numeric keypads with the 7-8-9 keys two rows above the 1-2-3 keys is derived from calculators and cash ...
Spinnaker president David Seuss explained that the intention of the program was not to teach typing; rather it was to promote "keyboard familiarity", teaching kids how to reach all the keys and to type faster. Lekkerkerker wanted the game to challenge players who wanted to advance beyond using a joystick while gaming. [1]
Founded in January 2013, the company focuses on creating educational kits that utilize Raspberry Pi single-board computers to teach STEM subjects to children. Kano Computing is known for its innovative approach to technology education and has gained recognition for its products and initiatives in the tech industry .
where C is the circumference of a circle, d is the diameter, and r is the radius.More generally, = where L and w are, respectively, the perimeter and the width of any curve of constant width.