Do you know the calculator of optimal adder method for an accounting calculation?
(with the calculation method change function)
Try it on the iPhone and iPad you always carry around.

【Feature】
- This can switch an "adder calculator" and "ordinary calculator”
- Simple setting of the design of the calculator
- Sound effects
- Input log and copy
- Input log editing + recalculation function
- Voice reading of the input log (for iOS7)
- 14 Number of significant digits
- Always display "Grand Total"
- Always display "Memory"
- BackSpace function

Simple design that is emphasis in the adder calculation function

【How to use an adder calculator】
”(10×10)+(5×5)-(6×5)=95”
10 [×] 10 [+=] 5 [×] 5 [+=] 6 [×] 5 [-] [GT]
（10×10）Add（5×5）Add（6×5）Pull

Ver5.5.3 later
% Calculation example : 500 + (500 × 12%) = 560
500 [+=] 12 [%] [+=]
(Old : 500 [+=] [×] 12 [%] [+=])

【How to use an ordinary calculator】
”(10×10)+(5×5)-(6×5)=95”
10 [×] 10 [=][M+] 5 [×] 5 [=][M+] 6 [×] 5 [=] [M-][MR]
Added to the Grand Total by "="

The continuous input will be "10 × 10 + 5 × 5 - 6 × 5 = 2595"

Ver5.5.3 later
% Calculation example : 500 + (500 × 12%) = 560
500 [+] 12 [%] [=]
(Old : 500 [+] [×] 12 [%] [=])