Apps Like ThetaCalc for iPhone and iPad
ThetaCalc screenshots
Ranked alternatives
Showing 21–40 of 1,000 ranked alternatives.
MathU RPN Calc
Creative Creek, LLC
Calculate with RPN and 96 functions
Perform complex calculations using Reverse Polish Notation. Access over 96 functions including financial, scientific, and engineering operations. Store and recall values. Switch between decimal and hexadecimal modes.
Basic Calculator+
Christie Clark
Calculate with large buttons and clear display
A calculator with a clear display and large buttons supports functions. Switch between portrait and landscape modes on iPad. Perform simple calculations without additional features.
Convert Any Unit Lite
Cider Software LLC
Convert units with intelligent search.
The app converts units with an autocomplete search. It automatically saves units to a selected list and includes a built-in calculator.
The Best Calculator - Calc Pro
Panoramic Software Inc.
Calculate and manage financial data
Perform complex calculations using 10 built-in calculators including scientific, financial, and unit conversion tools. Access 10 financial worksheets for budgeting, loans, and investments. Save and share calculation results.
Calculator for iPad₊
Impala Studios B.V.
Calculate and share equations instantly
Perform complex mathematical calculations using scientific functions and simple arithmetic. Calculate percentages, taxes, and financial figures. Save and share results with others. Syncs with iPad and iPhone.
Retro 15C
Greg Hewgill
Calculate complex numbers and matrices
Perform complex number calculations and trigonometric functions. Handle matrix operations and numerical root finding. Calculate integrals and statistical values including linear regression. Write and execute custom programs. No ads or in- purchases.
Calculator Air: AI Math Solver
AIR APPS SYSTEMS, UNIPESSOAL, LDA
Solve problems instantly
Solve problems with a scientific supporting arithmetic to calculus. Use photo to scan and solve equations. Access an AI homework helper for step-by-step solutions. Perform unit conversions and function calculations.
Graphing Calculator X84
An Truong
Calculate and graph mathematical expressions
Solve equations and graph functions with advanced math support. Perform calculus operations and matrix calculations. Customize settings for precision. Access detailed tutorials and a comprehensive user manual.
MathU 12D Financial Calculator
Creative Creek, LLC
Financial calculator with RPN entry
The app offers a financial calculator with RPN entry and functions matching the HP-12C. It features visible financial registers, a two-line display, and program lines showing function names for easier use.
Big Button Calculator Pro Lite
Cider Software LLC
Calculate with dual-line display and color themes
Calculate with a dual-line display showing input and result simultaneously. Use percentage and backspace functions. Switch between 18 color themes. Enter multi-line equations. Automatically format scientific expressions.
Calculator #
An Truong
Calculate, graph, and solve equations
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.
Calculator Pro Lite
Cider Software LLC
Customize themes and buttons
Customize appearance with themes, button shapes, and colors. Choose from six layouts and control all visual elements. View input and result simultaneously on dual-line display. Adjust settings for precise calculations.
GraphNCalc83
Ernest Brock
Calculate, graph, and edit math problems
Solve math problems with natural textbook input and fraction support. Trace graphs with touch. Zoom using pinch gestures. Tap for regression analysis. Swipe to scroll through calculation history and matrices. Access help via the ? key.
PCalc Lite
TLA Systems Ltd.
Calculate with advanced scientific functions
Perform complex calculations with support for hexadecimal, octal, and binary. Use RPN mode and multi-line display. Access unit conversions, constants, and scientific notation. View a paper tape and use multiple undo/redo functions.
Calculator +
Sarah Ragab
Simple, usable, and beautiful calculator.
The app offers a free basic and scientific calculator with an intuitive interface. It displays equations and results simultaneously, supporting fractions and percentages.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.