Apps Like Rule of Proportion PRO for iPhone and iPad
Calculate proportions with 3 variables
Solve problems by entering three of four variables. Calculate using the of . Store calculations in a history log. Display detailed step-by-step solutions. Support for fractions and decimals. Allow entry of constants. No advertisements.
by Glindemann, Sennoun, Langer GbR★ 5.03 ratingsEducation$1.99Data updated 2026-09-06
Solve problems by entering three of four variables. Perform calculations using the . Store input history and view detailed solutions. Support entering fractions, decimals, and constants. Remove ads for an ad-free experience.
Percentages by entering two of three variables. Use a modified keyboard to input values, including fractions and decimals. Store calculations in a history log. View detailed solutions and share results. No advertisements.
Percentages by entering two of three variables. Use a modified key layout to input values. Store calculations in a history log. View detailed solutions with step-by-step explanations. Support for fractions, decimals, and constants.
Enter four variables to perform addition, subtraction, multiplication, or division of two fractions. View detailed step-by-step solutions. Save calculations in history and share the final result. Supports decimals, fractions, and negative numbers.
Perform basic arithmetic operations including addition, subtraction, multiplication, and division. Access scientific functions for advanced calculations. Convert units between different measurement systems.
Enter coefficients a, b, and c to factor quadratic trinomials into binomials. Store calculation history and view detailed step-by-step solutions. Support positive and negative numbers, including decimals. Share final results. No advertisements.
Calculate missing sides of right-angled triangles using the Pythagorean theorem. Enter two sides to find the third. Save calculation history. Share complete solutions. Support for entering fractions. No advertisements.
Solve quadratic equations using the AC . Enter values for a, b, and c. Convert trinomials into binomial products. View step-by-step solutions. Store previous calculations in history. Support for positive and negative numbers and decimals.
Calculate with dual-line display and multi-line input
A with dual-line display showing input and result. Supports multi-line equations and tap-to-move cursor. Saves calculation history with timestamps and labels. Allows emailing calculations and swiping to review previous entries.
Calculate trigonometric values for the by inputting radians or angles. Display step-by-step solutions and support negative numbers, decimals, and fractions. Save calculations in history and share results.
Perform complex calculations with a powerful math core and algebra engine. Display mathematical expressions with proper formatting. Solve equations, graph functions, and convert units. Access scientific, financial, and programming calculators.
Calculate fractions with addition, subtraction, multiplication, and division. Convert fractions to decimals. Adjust recipe quantities for different serving sizes. Review math problems and convert measurements between cups and teaspoons.
Lets users perform calculations and convert units with an easy-to-read history tape and expression view. Save and reuse previous calculations. Convert between units intuitively. Sync with Apple Watch for on-the-go use.