Apps Like Calca for iPhone and iPad
Symbolic calculator and text editor.
The app solves equations and simplifies expressions. It is a text editor for explaining ideas alongside calculations.
Calca screenshots
Ranked alternatives
Showing 401–420 of 1,000 ranked alternatives.


Bell Curves - graphing calculator for the normal distribution function
Iaroslav Mironov
Interactive graphs for normal distributions.
The app builds interactive graphs of the probability density function and cumulative distribution function for normal distributions. It fits sample data from CSV files and solves PDF/CDF equations graphically.

APE Optics Calculator
Stefan Popien
Calculate SFM, DFG, and OPO wavelengths
APE enables users to evaluate equations in ultrafast and nonlinear laser . It calculates Sum Frequency Generation, Difference Frequency Generation, optical parametric oscillator parameters, and coherent anti-Stokes Raman scattering values.



Math Help: AI Math Solver
Celestial Commerce AB
Solve problems with AI and Wolfram Alpha
Capture problems via photo, solve them with AI and detailed steps, and generate practice questions for reinforcement. View solutions and explanations for various topics.

Dev Calc Pro (Hex Dec Oct Bin)
DAI WEIJIE
Convert between number bases easily.
The app displays binary, octal, decimal, and hexadecimal numbers on one screen. It also shows color hex codes and RGB values simultaneously.

RPN-70 SD
Willy Kunz
Simulate financial calculations
Simulate the HP-70 financial calculator with loan amortization, saving plans, depreciation, and storage registers. View stack contents in popup windows. Perform financial calculations with enhanced accuracy and additional storage options.

Inequality & System Solver
Francesco Varotti
Step by step
By entering expressions and viewing step-by-step solutions. Support for systems of . Access exercises with detailed explanations to practice and review concepts.



ThreadKing
Motionics, LLC
Calculate thread sizes and dimensions
Provides drill and tap size charts for fractional, letter, and wire standards. It calculates drill sizes for cutting and forming taps based on thread percentage. It also computes RPM and feed rates for cutting taps in various materials.

IHehsCalc
A-EHS
Calculate EHS and industrial hygiene equations
Solve environmental health and safety equations with built-in formulas. Calculate exposure risks, chemical concentrations, and ventilation rates. Input variables and view step-by-step results. Share solutions via email or copy text.






Star Girl Calculator
Totally Apps Holdings Limited
Calculate, track, and manage finances
Manage finances and track spending with basic functions. Compute mathematical expressions. Customize themes, backgrounds, and keyboards. Perform calculations in a stylized, themed interface.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.