RPN Calculator free
Benjamin Pisano
Scientific calculator with RPN mode.
The app offers scientific calculator functions and RPN mode for fast calculations. Its uncluttered interface uses the RPN system favored by engineers and scientists.
Apps Like ThetaCalc for iPhone and iPad
ThetaCalc screenshots
Ranked alternatives
Showing 101–120 of 1,000 ranked alternatives.
Numerical³
Andrew J Clark
Type equations, get results
Numerical² allows users to perform calculations without an equals button. It automatically adds brackets and saves equations to a synced history list. It includes scientific functions and a Today Widget for quick access.
All in One Calculator
Ramon Rivas
Calculate, edit, and track equations
Allows users to perform basic and advanced mathematical operations. It includes a sidebar and tab bar for navigation and data sharing. Users can drag and drop entries to create new windows or use the context menu to generate new windows.
HiPER Scientific Calculator
Jindrich Houska
Calculate and solve complex equations
With symbolic algebra, equation solving, and calculus functions. Supports fractions, repeating decimals, and high-precision numbers. Displays results as simplified expressions or numerical values.
Fraction Help
Armchair Engineering
Solve fractions and view steps
Solve equations with addition, subtraction, multiplication, and division. View step-by-step working to understand solutions. Handle mixed and partial fractions. Convert between decimals and fractions. Find factors of numbers or common factors.
15C Scientific Calculator
Vicinno Soft LLC
Calculate with precise RPN math
Emulates HP 15C RPN functionality with precise mathematical calculations. Users can solve equations, perform numerical integration, handle complex numbers, and execute matrix operations. It supports root finding and hyperbolic functions.
Chem AI: Chemistry Solver
树鑫 赖
Solve equations, explore elements, learn concepts
Solve problems by snapping photos or typing questions. Get instant solutions with detailed explanations. Explore the periodic table with interactive elements. Track progress with built-in quizzes and practice exercises.
Calculator: Pro
Appgeneration, Software Technologies, Lda
Calculate, convert, and solve equations
MyCalc offers basic and scientific calculation functions. Users can switch between portrait and landscape modes. It supports currency and unit conversions. Results, equations, and conversions can be copied, shared, or saved.
AI QuickSolver
Kison Kristian Larry
Calculate, scan, and solve math problems
Unit and currency converter for quick conversions. Solve math problems with handwriting recognition. Calculate BMI, date intervals, and basic data. Analyze equations and perform photo-based problem searches.
the Clave
Drew Milloy
Play patterns and switch rhythms
Pattern metronome offers five selectable types: Son, Rumba, Afro (6/8) styles, and Bossa Nova. Displays patterns in traditional notation with beat highlighting. Supports 3:2 and 2:3 ratios. Adjust tempo from 40 to 200 BPM with precise timing.
CALC 1 Programmable Calculator
Roger Carey
Create calculators with AI-generated functions
Customize calculators for precise calculations. Create function calculators using AI-generated JavaScript code. Add functions to the list and test them before use. Perform complex computations with formulas.
Graphing Calculator AR
Ron Avitzur
Graph functions and visualize equations
Allows users to plot functions, implicit relations, and parametric curves. It supports 3D graph visualization in AR. Features include inequality plotting, vector fields, and coordinate transformations.
Crimson Calculator 41cx
Crimson Research, Inc.
Program and store calculations
A programmable RPN with continuous memory allows users to access the stack and LASTx using STO and RCL commands. It supports 200-2000 lines of program memory and label addressing with strings.
RPN-45 SD
Willy Kunz
Calculate with scientific precision and enhanced functions
Simulate the HP-45 scientific calculator with photo-realistic visuals and original LED or LCD display. Print calculations, animate keys with sound and feedback, and replicate the calculator's computation times.
Desmos Scientific Calculator
Desmos, Inc.
Calculate, graph, and explore math functions
Perform complex calculations with trigonometric, statistical, and combinatorial functions. Define and evaluate custom equations. Graph mathematical expressions and explore multiple variables. Save and reuse calculations for future use.
Mathematics with PocketCAS Pro
Timing Software GmbH
Solve math problems and graph functions
Solve math problems from elementary to college level. Perform algebra, calculus, and statistical calculations. Graph functions and equations. Export results and share solutions. Replace graphing calculators advanced computation tools.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.