From Kritsana Uttamang:
MathPACK Solver is an iOS universal application for computations. It uses a high-level interpreted language for its computational tasks. It enables you to perform intensive mathematical computing from anywhere at anytime with your iPhone, iPad and iPod-touch.Key Features: 1. Powerful math engine for solving Mathematical expressions and logical expressions.2. Supports Real Number, Complex Number, Matrix, Cell Array, Boolean and String.3. Come with many built-in Mathematical functions including: - Trigonometry - Invert Trigonometry - Hyperbolic - Invert Hyperbolic - Polynomial - Exponential - Rational Fraction Approximation - Statistic Functions - Linear Equation System Solver, A*X = B - Matrix Reduced Row Echelon Form - Matrix Factorization (LU, QR, Cholesky and SVD). - Matrix Exponential - Eigenvalue, Eigenvectors - Fast Fourier Transform (FFT) and Inverse Fase Fourier Transform (IFFT). - Solve Ordinary Differential Equations with ode45 - Linear, Semi-Log, Log-Log and Polar Plot - etc.4. Script Engine which you can use to create your own functions. It supports loop statements and conditional statements.5. Spreadsheet for editing CSV files. Data exchange between CSV files and variables in MathPACK Solver.6. Constant Libraries which provide many Mathematical and Physical constants. You can define your own constants in user-defined constant library as well.7. Files sharing with iCloud, iTunes, Dropbox and Email.