| 摘要 |
<p>PURPOSE:To obtain the function electronic desk calculator which can simply select plural pieces of converting functions without depending on the number of pieces of keys by adding on exclusive key for designating a unit converting function. CONSTITUTION:An input means 101 inputs a functional expression and a functor for calculating a numerical value and a function, and also, inputs a selection number for selecting a desired unit converting calculation. A designating means 105 designates switching to the unit converting calculation from the functional calculus to a calculating means 102. A symbol display means 106 displays a specific symbol for showing a fact that the unit converting calculation is designated. A number display means 107 displays the selection number of the unit converting calculation inputted by the input means 101 on a numeral display screen being in the vicinity, on which the specific symbol is displayed. Accordingly, when this specific symbol is being displayed, when a desired selection number is inputted by the means 101, the unit converting calculation of the selected number can be executed by the calculating means 102.</p> |
