Apps Like Janus Calculator for iPhone and iPad
Standard and RPN programmable calculators.
The app provides two calculators: one using Standard Notation and another using Reverse Polish Notation. Both calculators are programmable and include finance and scientific functions, plus 45 physical constants.
Janus Calculator screenshots
Ranked alternatives
Showing 261–280 of 1,000 ranked alternatives.
iCalc: Scientific Calculator
Stephen Elrod
Calculate, practice, and learn math
Solve complex math problems with advanced functions and calculations. Practice equations with interactive exercises. Customize themes and adjust settings for personalized use. Track progress and review solutions for better understanding.
Calculator PanecalST
Noriyasu Kutsuzawa
Edit formulas, check calculations, reuse past entries
Enter and edit mathematical formulas with real-time validation to prevent errors. Reuse past formulas to adjust values quickly. Navigate expressions using a cursor or arrow keys. Swipe to switch between calculation modes and view results instantly.
Thermodynamics Calculator lite
V PUGAZHENTHI
Calculate thermodynamic properties and formulas
Provides tools for calculating Carnot efficiency, Eckert number, emissivity coefficient, energy efficiency, and energy/work conversion.
Calculator 4.0
Edison Largo
Calculate, edit, and correct numbers
Perform calculations with decimal points or commas. Correct entries using a backspace key. View calculation history in a display log. Switch between light and dark themes. Receive regular updates with new features.
Calc-50
David Smith
Calculate with high-precision math functions
Perform complex calculations with high-precision math functions including trigonometric, hyperbolic, and special functions. Calculate derivatives, integrals, and roots. Program custom functions and store equations.
ALL Maths Formulas Guide
rana hamad khan
Access , solve equations, calculate results
Access for integrals, polynomials, analytic geometry, calculus, algebra, probability, statistics, trigonometry, matrices, equations, integration, derivatives, limits, geometry, and logic. View complete lists of over 2000 .
CalcQX ~ the calculator
CodeQX
Calculate and verify results instantly
Perform basic arithmetic operations, percentage calculations, and unit conversions. Switch between standard and engineering modes for advanced scientific functions. Adjust display settings and access history for repeated calculations.
GasTech Calculator Pro
Maksymilian Lopatowski
Calculate gas volumes and pressures
Volume to energy converter calculates gas volume to energy with temperature and pressure adjustments. Professional pipe sizing uses BS 6891:2015 standards for accurate sizing. Includes 9+ calculators for gas engineering tasks.
DiceGen
Daniel Byon
Generate secure passphrases with Diceware
Generate secure passphrases using the Diceware algorithm. Customize word length and dictionary. Export passphrases and share securely. Set password strength preferences and generate random numbers.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.