[General Topics] Skyica:
Basic scientific calculators

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I use the feature list for basic scientific calculators as baseline here (scroll down

this post

).

ChampCalc Scientific Calculator​

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This is a very sophisticated and customizable basic scientific calculator.

Memory/variable management is better than in most advanced calculators. Also, it has advanced base-n calculation and a large and well-organized library of units and scientific constants. There is a comprehensive user guide.

Calculation:

Missing gcd, lcm

Feature Fractions

Feature Advanced base-n calculation for different integer sizes

Feature Complex numbers

Feature One variable statistics

Feature Many scientific constants

Feature Many unit conversions

Feature Large numbers and high precision with up to 100 decimals of significand

Memories/variables, functions:

Feature Memory and variables manager

Feature Storage of expressions

Input and output:

Feature Syntax highlighting and highlight of matching brackets

Feature Automatic calculation without tapping enter key

Number formatting

Feature Repeated decimals

Feature Quick info with prime factorization and value as fraction, mixed, DMS, Roman, BIN, OCT, HEX

Adaption and customization:

Feature Many useful settings like long-tap time

Feature Many high-quality themes and custom colors

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Panecal Scientific Calculator​

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This app may be very efficient for longer simple calculations.

In contrast to most other apps, parts of expressions can be selected and copied.

Calculation:

Missing Random numbers, prime factorization, gcd, lcm

Feature Base-n calculation

Feature Many scientific constants

Feature Many unit conversions

Input and output

Feature Parts of expressions can be selected and copied

Feature Large multi-line display

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Scientific Calculator by CalcTastic​

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This is a quite sophisticated basic scientific calculator with advanced base-n calculation.

The large display with always visible history is convenient.

Calculation

Missing Prime factorization, gcd, lcm

Feature Advanced base-n bitwise and bit operations for different integer sizes

Feature Calculation with fractions

Feature Complex numbers

Feature One variable statistics

Feature Unit conversion

Feature Scientific constants

Memories/variables, functions

Missing Variables cannot be used in expressions (only value inserted)

Input and output

Feature Syntax highlighting and highlight of matching brackets

Feature Automatic calculation without tapping enter key

Adaption and customization

Feature Special keyboard layout for tablets

Feature Many high-quality themes

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MathsApp Graphing / Scientific Calculator​

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This is a quite sophisticated scientific calculator with some advanced features.

The always visible history is convenient, however the keyboard seems to be unnecessarily small.

The price for the full version is quite high comparably.

Calculation

Feature Advanced base-n calculation for different integer sizes

Feature Complex numbers

Feature One variable statistics and Probability distributions

Feature Matrix calculation

Feature Scientific constants

Graphing:

Feature 2D cartesian and polar plots with display of coordinates of intersections, zeros, extrema, but no tracing

Feature Import / export of history

Adaption and customization

Missing No light theme

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RealCalc Scientific Calculator​

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This is a basic old-style one-line scientific calculator. Its more “advanced” features include result history, 10 memories, unit conversion and physical constants, and fraction calculation.