Key Calculator vs Super Calc Pro+

Revolutionary Tap-to-Calculate Select an operator (+−×÷) first, then tap numbers to instantly calculate results. Saves 3 steps vs traditional calculators! Customize Your Number Pad Adjust max/min values, set step increments, and save frequent numbers. Build your dream keypad for faster inputs. Undo Mistakes Instantly Typed a wrong number? Undo your last action with one tap—no restart needed. Calculation Time Machine Auto-saves every step. Tap any history entry to resume calculations right where you left off.

SuperCalcPro is a powerful all-in-one scientific calculator designed for students, engineers, and anyone who works with numbers every day. KEY FEATURES - Four Calculator Modes Switch instantly between Basic, Scientific, Advanced, and Statistics modes. Swipe left or right to change modes. - Step-by-Step Solutions Tap any result to see how it was calculated - every operation broken down into clear, numbered steps. Perfect for learning and checking your work. - Interactive Math Graphs After a trigonometric calculation, tap Graph to view an animated unit circle showing the exact angle and its sine/cosine values visualised in real time. - Full Scientific Functions sin, cos, tan and their inverses, log, ln, sqrt, cube root, power, pi, e, factorial, absolute value - Advanced Calculus Integrals, derivatives, summation, and limits - all in one keyboard. - Statistics Mode Enter a dataset and instantly compute mean, population std deviation, sample std deviation, nCr, and nPr. - Memory Functions Store and recall values with MC, MR, M+, and M- memory keys. - Calculation History Every calculation is saved automatically. Search, review, and restore any past expression with one tap. - Angle Modes Switch between Degrees, Radians, and Gradians at any time. - Beautiful, Accessible UI Clean dark-friendly design. Dynamic type support. Full VoiceOver accessibility labels. Supports iPhone and iPad. SuperCalcPro is free to use, supported by a small banner ad at the bottom of the screen.