On-board interpreter Nepal

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# Description

This app is an on-board interpreter for the Nepal programming language.

To implement and run a Nepal program on a smartphone or tablet,

an internet connection is not necessary.

A detailed description of the language is available on www.nepal-prog.de.

To implement and run a Nepal program on a smartphone or tablet,

an internet connection is not necessary.

A detailed description of the language is available on www.nepal-prog.de.

The current Android version 1.0 is based on language version 1.1.

The following features are not supported:

- built-in types dir, file and need

- system functions get_cwd, get_env, set_env and system

- program options

The program Nepal runs on Android 2.0 or higher.

# Additional information

Updated

January 8, 2012

Size

388k

Installs

1 - 5

Current Version

1.0

Requires Android

2.0 and up

Content Rating

Unrated

Warning – content has not yet been rated. Unrated apps may potentially contain content appropriate for mature audiences only.

Learn more Permissions

Report

Flag as inappropriate Offered By

K.-H. Erhard

Developer

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1

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# More from developer

## Abakus-Func

Abakus-Func is a computer algebra program which performs symbolic calculations for mathematical functions.

The current Android version 1.0 contains the following features:

- Calculate function values

- Determine exact zeros, singularities, extremal points, and turn points

- Calculate symbolic limits

- Graphical representation (2D and 3D).

As an example, Abakus-Func yields the following exact results for the function f(x) = x/(x+1)^2+2.

Zeros: x = -2, x = -1/2;

Singularities: x = -1;

Extremal points: Maximum (1,9/4);

Turn points: (2,20/9).

You can easily check the symbolic results by viewing the plot of the function. Several functions can be displayed simultaneously within the graphical window. You can select different colors for the individual functions. For functions with two variables, Abakus-Func generates a 3D-like graphical representation.

Moreover Abakus-Func contains a special editor for mathematical formulas. So you can enter even complex expressions very fast.

## Abakus-Equa

Abakus-Equa is a computer algebra program which performs

symbolic and numerical calculations on mathematical equations.

symbolic and numerical calculations on mathematical equations.

The current Android version 1.0 contains the following functions:

- Exact solution of linear and non-linear equations

- Numerical solution of linear and non-linear equations

- Exact solution of systems of linear equations

For example, the input "ln(x+4) = 0" with variable "x" yields the output "x = -3".

The equation "7*cosh(x) = sinh(x)+9" resolves to "x = ln((9-sqrt(33))/6); x = ln((9+sqrt(33))/6)".

For the system of equations "x+2*y = 3; 4*x+5*y = 7",

Abakus-Equa calculates the exact solution "x = -1/3; y = 5/3".

The variable system "x+a*y = 2; x-y = 0" resolves to "x = y = 2/(1+a)".

Moreover Abakus-Equa contains a special editor for mathematical formulas.

So you can enter even complex expressions very fast.

## On-board interpreter NepalDemo

This app is an on-board interpreter for the Nepal programming language.

To implement and run a Nepal program on a smartphone or tablet,

an internet connection is not necessary.

A detailed description of the language is available on www.nepal-prog.de.

To implement and run a Nepal program on a smartphone or tablet,

an internet connection is not necessary.

A detailed description of the language is available on www.nepal-prog.de.

The free demo version allows you to test all included sample programs.

Press button '!' to select them.

## Abakus

Abakus is a computer algebra program which performs not only

arithmetic but even symbolic calculations of mathematical formulas.

Every calculation is performed directly on your smartphone or tablet,

i.e. an internet connection is not necessary.

Abakus shows detailed solution steps for all major functions.

This feature is very useful for pupils and students

to prepare and check their math homework.

The current Android version 2.0 contains the following functions:

arithmetic but even symbolic calculations of mathematical formulas.

Every calculation is performed directly on your smartphone or tablet,

i.e. an internet connection is not necessary.

Abakus shows detailed solution steps for all major functions.

This feature is very useful for pupils and students

to prepare and check their math homework.

The current Android version 2.0 contains the following functions:

Exact arithmetic calculations:

- Exact calculation of integer numbers of "arbitrary" size

- Calculation of real numbers with "arbitrary" precision

- Exact calculation of fractions (with solution steps)

- Least common multiple, greatest common divisor

- Factorial, binomial coefficient

- Prime numbers, prime factor separation, divisor set

Transforming mathematical formulas:

- Simplify, multiply, and factorize formulas; building the common denominator (with solution steps)

- Normalize, divide, and factorize polynomials; separate into partial fractions (with solution steps)

Discussing mathematical functions:

- Calculate function values

- Zeros, singularities, extremal points, turn points (with solution steps)

- Differentiation, integration (with solution steps)

- Calculation of limits (with solution steps)

- Graphical representation (2D and 3D)

Solving mathematical equations:

- Exact and numerical solution of linear and non-linear equations (with solution steps)

- Exact solution of systems of linear equations (with solution steps)

Vector and matrix calculations:

- Simplify matrices (with solution steps)

- Invert matrices

- Calculate determinants, Eigenvalues, and Eigenvectors (with solution steps)

For example, the function "integrate + trace" applied to the formula

"x*sin(x)" with variable "x" yields the following output:

int(x*sin(x),x)

# Partial integration:

int(u(x)*v'(x),x) = u(x)*v(x)-int(u'(x)*v(x),x)

# u = x, v' = sin(x) => u' = 1, v = -cos(x)

-x*cos(x)-int(-cos(x),x)

# int(c*f(x),x) = c*int(f(x),x)

-x*cos(x)-(-1)*int(cos(x),x)

# Table

-x*cos(x)-(-1)*sin(x)

# Simplify

-x*cos(x)+sin(x).

Moreover Abakus contains a special editor for mathematical formulas.

So you can enter even complex expressions very fast.

At the moment, the following functions are supported:

sin,cos,tan,cot (trigonometric functions),

arcsin,arccos,arctan,arccot (inverse trigonometric functions),

sinh,cosh,tanh,coth (hyperbolic functions),

arsinh,arcosh,artanh,arcoth (inverse hyperbolic functions),

sqrt (square root),

crt (cubic root),

exp (exponential function),

ln (natural logarithm),

abs (Betrags function),

sgn (signum function).

Feasible operators are '+' (addition), '-' (subtraction),

'*' (multiplication), '/' (division), and '^' or '**' (power).

If you have a technical support question, please send an email to

abakusmath@t-online.de

## Abakus-Diff

Abakus is a computer algebra program which performs not only

arithmetic but even symbolic calculations of mathematical formulas.

arithmetic but even symbolic calculations of mathematical formulas.

The current Android version 1.0 contains the following functions:

- Exact arithmetic calculations, e.g. handling of integer numbers with "arbitrary" size

- Transforming mathematical formulas, e.g. factorization of polynomials

- Discussing mathematical functions, e.g. integration including solution steps

- Solving mathematical equations

- Vector and matrix calculations

Abakus-Diff is a free version of Abakus with reduced functionality:

You can calculate derivatives of mathematical functions including solution steps.

For example, the command "differentiate + trace" applied to the formula

"x*sin(x)" with variable "x" yields the following output:

diff(x*sin(x),x)

# Differentiate product: (f*g)' = f'*g+f*g'

diff(x,x)*sin(x)+x*diff(sin(x),x)

# diff(x,x) = 1

1*sin(x)+x*diff(sin(x),x)

# Table

1*sin(x)+x*cos(x)

# Simplify

sin(x)+x*cos(x).

Moreover Abakus contains a special editor for mathematical formulas.

So you can enter even complex expressions very fast.

At the moment, the following functions are supported:

sin, cos, tan, cot (trigonometric functions),

arcsin, arccos, arctan, arccot (inverse trigonometric functions),

sinh, cosh, tanh, coth (hyperbolic functions),

arsinh, arcosh, artanh, arcoth (inverse hyperbolic functions),

sqrt (square root),

crt (cubic root),

exp (exponential function),

ln (natural logarithm),

abs (Betrags function),

sgn (signum function).

Feasible operators are '+' (addition), '-' (subtraction),

'*' (multiplication), '/' (division), and '^' or '**' (power).