Smart Calculator vs Calculator with reverse screen

"What numbers did I input?” "Was the number I input correct?” Everyone must have caught on such anxiety while using a calculator. SmartCalc is a calculator that wipes out such anxiety. Because, after a calculation, inputs are displayed as you input, and also one input number can be changed for the next calculation. [Instructions] • To recall calculation history, tap "＜ Prev" key until you find the history you want. After you tapped "＜ Prev" key, if you want to recall a newer history, tap "Next ＞" key until you find it. • To clear the calculator completely including calculation history, close SmartCalc. • To clear the calculator except for the set memory and the independent memory on MR-line, tap "C" key and then tap "AC" key appeared, that is, double tap "C" key. • To clear the independent memory on MR-line, tap "MR" key and then tap "MC" key appeared, or swipe on MR-line. • To completely clear the number you have just input on 1st-line or 2nd-line, tap "C" key. • To erase a right end number at 1st-line or 2nd-line framed in the input mode, swipe on the line. • To change one of input numbers after a calculation, please tap the input line display to input a new number. • Tapping Result-line display is a convenient substitute for tapping "=" key. [Features] • SmartCalc is a calculator with a large 4-line display, which consists of 1st-line, 2nd-line, Result-line and MR-line. As all numbers related to a calculation are displayed on the lines all together, a user can check the calculation at a glance. • SmartCalc doesn't require any special operations. Anyone can use SmartCalc easily. • SmartCalc equips the set memory in addition to the general independent memory. The set memory automatically memorizes calculation history of all sets of calculated input numbers, an arithmetic operator and a result number. • Can be used in environments where either a period or a comma is used as the decimal separator. The developer assumes no responsibility for any loss or claims by third parties which may arise from the use of this app.

Calculator with a screen that can be displayed upside down to make it easier to read face-to-face