calcS16lite vs ANY Calculator

This is calculator. CalcS16 free -. FreeVersion, (no ad banner). -. Hexadecimal calculation. -. Moving-view is implemented for typing miss. -. Use variable font size for misreading. -. Support metric prefix.( G,M,k,m,u,n,p) -.Support SplitView/SlideView(iPad) Flick to up/down, you will be understand the operation. when you want to g the numeric pad. "S" key is recommended. detail . This is the calculator app with sequential processing. . Mixed calculation of hexadecimal is possible. . if you do not touch screen during 30s. then screen change to clock. . Backgound color is changed by a time.( 0-10:Blue 10-16:Green 16-24:Red) . add metric prefix : "exp" double touching. . convert metric prefix : "=" double touching. please give me advise  for usability improvement.

ANY Calculator lets you design, customize, and use calculators exactly the way you want. With built-in history. Build your own calculator from any image — or draw one by hand! Define big, easy-to-tap keys, choose only the functions you need, and make it fully interactive. From basic math to advanced scientific or programmable layouts, ANY Calculator adapts to you. Features • Create calculators from photos or drawings • Add large custom-size buttons and choose any functions you like • Personalize keys, display areas, and themes • Portrait & landscape modes with independent layouts • Scientific and RPN calculator support • History list with undo / redo and expression tracking • Built-in matching game — a fun way for kids to learn key positions • Save, share, and import calculators easily • Optional Pro upgrade removes ads and unlocks advanced tools Why ANY Calculator? • Combines the power of a scientific calculator with complete design freedom • Ideal for students, engineers, teachers, and creators • Great for kids — they can draw a calculator and make it really work! • Perfect for replicating vintage or specialized calculators Whether you need a basic math tool, a programmable scientific calculator, or a creative learning project, ANY Calculator makes it possible. Download today and start building the perfect calculator for you — big buttons, simple layouts, endless possibilities.