# ODE Solver — ODE Runge Kutta Solver

> ODE Runge Kutta Solver (iPhone/iPad app by DRH YAZILIM VE MUHENDISLIK HIZMETLERI LTD STI.)

- Source: https://appshunter.io/ios/app/ode-solver/id982923512 (this page in markdown: same URL + `.md`)
- Developer: [DRH YAZILIM VE MUHENDISLIK HIZMETLERI LTD STI](https://appshunter.io/developer/914295588)
- Category: Education, Productivity
- Price: $2.99
- Age rating: 4+
- Requires: iOS 13.0 · 4 MB
- Languages: English
- Released: 2015-04-30
- Data updated: 2026-08-20
- User reviews in markdown: https://appshunter.io/ios/app/ode-solver/id982923512/reviews.md

## What is ODE Solver?

ODE Solver – Solve ordinary differential equations with ease.
	•	Solve systems of ODEs with initial boundary conditions using the 4th-order Runge-Kutta method.
	•	View results in interactive plots and lists, and export via email.
	•	Enter variables easily using the ”$” prefix (e.g., $x, $u, $t) and let the app handle the calculations.

Example: Typical Pendulum

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

	•	Supports a full set of operators (+, -, *, /, **) and functions (sqrt, log, ln, exp).
	•	Extensive trigonometric functions including sin, cos, tan, their inverses, reciprocals, and hyperbolic variations.
	•	Built-in constants: π, π/2, π/4, e.
	•	Smart entry fields:
	•	Background changes red/green to highlight unpaired/paired parentheses.
	•	Recognizes errors and displays warnings.
	•	Custom keypad and cursor arrows for smooth formula editing.

Perfect for engineers, students, and researchers who need fast, reliable ODE solutions on the go.


## Version history (last 5 of 5)

### 1.65 — 2025-08-23

Bug fixes and feature improvements :)

### 1.64 — 2023-10-01

Compatability Update!

### 1.63 — 2022-11-17

Compatability update :)

### 1.62 — 2021-10-12

Bug fixes.

### 1.61 — 2020-06-11

Compatibility update for future iOS versions

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All apps by DRH YAZILIM VE MUHENDISLIK HIZMETLERI LTD STI: https://appshunter.io/developer/914295588

## Related topics

[ode solver](https://appshunter.io/ios/topics/ode-solver)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-20.*