![]() ![]() The Casio AL-8 was one of the first electronic hand-held calculators to be able to calculate hours, minutes, and seconds.Įlectronic calculators are available for the television industry which can calculate in hours, minutes, seconds, and frames for various broadcast standards. Time has not been metricated, so there is still the need to calculate in hours and minutes. This machine would have been very useful in the wages department of a company, totalling the hours worked. pressing the 5 key in the right hand column) would produce the result 124 hours 00 The machine in the photographs above and below displays the total of 123 Hours and 55 minutes. To enter a number above 5 the operator has to press two keys in that column, one after the other, which add up to the number required. When the second column from the right reaches 6, i.e. The keyboard of this machine has keys with, from the left, 7 columns of Hours keys, and 2 columns of Minutes keys.Īlthough from the outside the machine is similar to a normal decimal machine, inside it is geared to carry over in Britain, distributed by Sumlock Ltd., both owned by Control Systems Ltd.).Ģ35 x 182 x 120 mm (9.25" x 7.2" x 4.75"). It has an abbreviated keyboard (keys up to 5) and is designed for calculations in hours and minutes (model Plus 509/T/828599, made by Bell Punch Co. If you do not allow these cookies, you will experience reduced relevant content.This is a direct action keyboard calculator of the "comptometer" type. They do not store directly personal information, but are based on uniquely identifying your browser and internet device. They may be used by Analog Devices to build a profile of your interests and show you relevant content on our site. Targeting Cookies: These cookies may be set through our site by Analog Devices and our service providers. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance. All information these cookies collect is aggregated and therefore anonymous. They help us to know which pages are the most and least popular and see how visitors move around the site. Performance Cookies: These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. If you do not allow these cookies then some or all of these services may not function properly. They may be set by us or by third party providers whose services we have added to our pages. Functional Cookies: These cookies enable the website to provide enhanced functionality and personalization. These cookies do not store any personally identifiable information. You can set your browser to block or alert you about these cookies, but some parts of the site will not then work. They are usually only set in response to actions made by you which amount to a request for services, such as setting your privacy preferences, logging in or filling in forms. Strictly Necessary Cookies: (Always Active) These cookies are necessary for the website to function and cannot be switched off in our systems. After we finish updating our website, you will be able to set your cookie preferences. Analog Devices is in the process of updating our website. ![]()
0 Comments
Leave a Reply. |