Calculator - Dentaku

"What numbers did I input?” "Was the number I input correct?” Everyone must have caught on such anxiety while using a calculator.
Dentaku™ is a basic calculator that wipes out such anxiety.
∙Dentaku™ has big 4-line displays, which are 1st-line display, 2nd-line display with an arithmetic operator, Result-line display and MR-line display. As two input numbers, an arithmetic operator and a result number are displayed all together, the user can check the calculation at a glance. Therefore the user does not feel any anxiety in calculation, therefore, calculation errors are dramatically reduced and your valuable time will be saved!
∙Dentaku™ equips the set memory in addition to the general independent memory. The set memory memorizes calculation history of all sets of calculated two input numbers, an arithmetic operator and a result number. The user can easily recall calculation history by tapping arrow keys. The recalled calculation history is displayed on the calculation displays.
∙A number in the independent memory is always displayed on the MR-line display.
∙Dentaku™ equips ⓘ button, from which the user can check information including calculation examples .
∙12-digit displays
∙3-digit comma markers and a decimal point
∙Percentage calculation
∙Constant calculation
∙Copy and paste through clipboard possible
∙Dentaku™ doesn't require any special operations. Anyone can use Dentaku™ easily.