Halcyon Calc app icon

Apps Like Halcyon Calc for iPhone and iPad

Calculate and solve equations

Perform complex calculations with support for real and complex numbers. Manipulate symbolic expressions and use over 225 built-in functions. Scroll through results with finger gestures. Copy and paste data for easy sharing.

by Halcyon Touch Software★ 4.918 ratingsUtilities$4.99Data updated 2026-09-08

Halcyon Calc screenshots

Ranked alternatives

Showing 261–280 of 1,000 ranked alternatives.

  1. Calcu-Logarithm app icon

    Calcu-Logarithm

    Yuri Morozov

    Solve log equations and graph results

    Solves equations for y, x, and a in y = log_a(x) with graphing. Explains computation of log_e(x) using Taylor series and log_10(x) via digit-by-digit method. Provides proof of log_e as the integral of x inverse.

    ★ 5.01 ratingsEducationFreeData updated 2026-09-06
  2. Large Numbers app icon

    Large Numbers

    Viktor Pobedria

    Calculate instantly, switch tabs seamlessly

    Perform calculations with real-time updates as you type. Switch between multiple tabs for different calculations. Handle with precision using advanced algorithms.

    ★ 4.02 ratingsUtilitiesFreeData updated 2026-09-06
  1. Scientific Calculator * app icon

    Scientific Calculator *

    TOWER OF HANOI SOFTWARE COMPANY LIMITED

    Calculate, convert, exchange, solve

    Solve math problems with basic and complex calculations. Convert units and exchange currencies. Use fractions and square root functions. Perform calculations quickly and accurately.

    ★ 4.612 ratingsProductivityFreeData updated 2026-10-10
  2. RPN-45 HD app icon

    RPN-45 HD

    Willy Kunz

    Calculate like a scientific calculator

    Simulate the HP-45 scientific calculator with photo-realistic visuals and animated keys. Perform all original functions and operations. Access a secret timer for 12-hour or 100-hour intervals. Switch to Super-45 mode for enhanced capabilities.

    ★ 4.86 ratingsProductivity$2.99Data updated 2026-09-08
  3. Drill Calc app icon

    Drill Calc

    Black Cat Systems

    Calculate bit size for threaded holes

    Calculate bit size for threaded holes using bolt diameter, thread pitch, and percentage for inch and metric threads. Display close fit hole sizes for common sizes. Provide tables for standard inch fractional and numeric bit sizes.

    ★ 4.119 ratingsUtilities$2.99Data updated 2026-09-08
  4. U Scientific calculator app icon

    U Scientific calculator

    EONSOFT

    Edit equations, calculate functions, solve complex problems

    Perform complex mathematical calculations including trigonometric functions, logarithms, and exponentials. Switch between radians and gradients. Edit equations and save results for future reference.

    ★ 4.319 ratingsUtilitiesFreeData updated 2026-09-13
  5. Samurai Search: Text/PDF files app icon

    Samurai Search: Text/PDF files

    Michael Rourke

    Search and preview results

    Search across iOS devices, iCloud, and external storage. Preview text , PDFs, and source code. Use advanced search with regular expressions. Open in preferred editors or viewers. Save and reuse search queries for repeated tasks.

    ★ 5.016 ratingsUtilitiesFreeData updated 2026-09-06
  6. RLM-11CX app icon

    RLM-11CX

    Ricardo Lira Matte

    Calculate, edit, and store equations

    Calculate financial metrics with the -11C+ application. Access account balance features for credit line accounts based on cash transactions and interest rates. Generate loan amortization schedules for single loans.

    ★ 3.17 ratingsUtilitiesFreeData updated 2026-09-06
  7. Calculator : Scientific Calculator & converter app icon

    Calculator : Scientific Calculator & converter

    CAT VIET SOFTWARE DEVELOPMENT & MEDIA JSC

    Calculate with formulas and units

    Calculate using functions including sin, cos, tan, and their inverses. Convert units with 136 converters. Access daily updated currency exchange rates. Perform algebraic calculations with 800+ formulas. Switch between degrees, radians, and grads.

    ★ 5.03 ratingsUtilitiesFreeData updated 2026-09-13
  8. CMCalc app icon

    CMCalc

    William David

    Calculate decimal, binary, octal, and hexadecimal values

    Perform decimal, binary, octal, and hexadecimal arithmetic. Convert between number systems. Apply binary logic functions. Use parentheses for operator grouping. Input hexadecimal values using A-F keys.

    ★ 4.56 ratingsUtilitiesFreeData updated 2026-09-09
  9. Hex to Decimal Converter app icon

    Hex to Decimal Converter

    Christina Bharara

    Convert hex to , binary, and copy

    Convert hexadecimal, , and binary numbers. Enter values to instantly see conversions. Copy results to clipboard with a single tap.

    ★ 4.210 ratingsUtilitiesFreeData updated 2026-09-13

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.