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Description

An ordinary differential equation or ODE is a differential equation containing a function or functions of one independent variable and its derivatives.

ODE Solver solves systems of ordinary equations with initial boundary conditions with 4th order Runge Kutta Method. It plots and lists results exporting them via email.

All variables, x, u, and t, should be entered with "$" prefix and ODE Solver does the rest.

Example: Typical Pendulum

dx/dt = $u
du/dt= -pi()**2/4*sin($x)-0.1*$u


Following functions are available in ODE Solver:

Operators:

+ add
- subtract
* multiply
/ divide
** pow exponentiation

Functions:

sqrt() - returns the square root of the passed parameter
log() - returns the base 10 log of the passed parameter
ln() - returns the base e log of the passed parameter
exp() - returns e raised to the power of the passed parameter

The trigonometric functions:

dtor() - converts the passed parameter from degrees to radians
rtod() - converts the passed parameter from radians to degrees

sin(), cos(), tan()
Their inverses (asin, acos, atan)
Their reciprocals (csc, sec, cotan)
The reciprocals of the inverses (acsc, asec, acotan)
The hyperbolic variations of all the above functions (sinh, cosh, tanh, asinh, acosh, atanh, csch, sech, cotanh, acsch, asech, acotanh)


Constants:
pi() - returns the value of π.
pi_2() - returns the value of π/2
pi_4() - returns the value of π/4
e() - returns the value of e

Other:
-Entry field background color turns to red color in case of unpaired parentheses and turns to green color once parentheses are paired again.
- Entry field background color turns to red colour in case of unpaired parentheses and turns to green color once parentheses are paired again.
- Recognizing entries with errors and raising warnings.
- Special keypad for formula entries.
- Cursor arrows enables editing entries.

What's New

Version 1.60

Minor improvements for iPhoneX.

Information

Seller
DRH YAZILIM VE MUHENDISLIK HIZMETLERI LTD STI
Size
4.7 MB
Category
Education
Compatibility
Requires iOS 8.1 or later. Compatible with iPhone, iPad and iPod touch.
Languages
English
Age Rating
Rated 4+
Copyright
© DRH YAZILIM VE MUHENDISLIK HIZMETLERI LTD STI
Price
USD 2.99

Supports

  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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