Big Button Calculator -BB Calc

Features Big Button Calculator -BB Calc

Big Button Calculator -BB CalcBig or Large Button Simple Calculator especially for the Elderly or the SeniorBIG-SIZE BUTTONS - Easy to CLICK !!LARGE NUMBER FONTS - Easy to READ!!
USEFUL especially FOR the ELDERLY or the SENIOR!!Simple and useful mobile calculator appFeatures :- The size of button (especially 0 and + buttons) are as enlarged as possible, by displaying essential buttons only.- Click-edit and backspace-button are available.- Negative sign number calculation (eg.
2 x -5) can be performed.- Calculation history is available.- Shortcut for history is also available through navigation drawer.- Single/multiple lines can be selected.- You can do power (n-square) calculation : xx → ^- parenthesis can be used ..
→ ( ++ → )- % function is usable : ÷÷ → % ( +, - : a + b% = a + a x b x 0.01 [ = b% + a ] a - b% = a - a x b x 0.01 a% + b% = a x 0.01 + b x 0.01 For the other operators : b% = (b x 0.01) (ex.) a x b% = a x(b x 0.01) a ÷ b% = a÷(b x 0.01) [ = a÷b x 100] a^b% = a^(b x 0.01) a% x b% = (a x 0.01) x (b x 0.01) a + b% + c% = a + a x b x 0.01 + (a + a x b x 0.01) x c x 0.01 [∵ arithmetic priority : left > right ] a + b% x c = a + (b x 0.01) x c [∵ arithmetic priority : x > + ] )