SPEED: Engineering Scratchpad

Visual Notepad for Engineers

Free · Designed for iPad

SPEED, which stands for 'Scratch Paper for Efficient Engineering Deduction' is a powerful visual notepad for engineers and students. It is an equation-based line-by-line interpreter where equations and results are displayed simultaneously. Variable names can be utilized and re-used. Array variable is allowed which enables iterative calculation. It is also equipped with CoolProp library and IAPWS-IF97 water property function. Last, it works on plain ASCII text files which can be read and shared easily with others. Great for on-the-fly, simple to complex engineering calculations. Right companion for solving elementary to practical level engineering problems. Following features are currently supported. - Simple to complex arithmetic calculations - Simultaneous display of equations and results - Variable assignment based connected calculations - Array variable supported - 5 level depth repetition loop - Text output (echo) manipulation - Paraview output of 3D voxel data - 1D, 2D linear interpolation - Plotting - 1D scatter plot - 2D heatmap plot - 3D isometric plot - Histogram - Pie chart - Bar chart - Box plot - Stem and leaf plot - CoolProp fluid property functions - IAPWS-IF97 light water property calculation - Linear equation solver (A*x=b) - Nonlinear solvers - Bisection method - Golden-section maximization method - Particle swarm optimization (PSO) method for minimization - Extensive statistical functions - Various distribution functions - Check for normality - Transformation - Tolerance limit factor - Linear regression - Extensive unit conversion factors - Other useful functions

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    Information

    Seller
    HYUNG MIN SON
    Size
    102.4 MB
    Category
    Utilities
    Compatibility
    Requires iOS 15.0 or later.
    • iPhone
      Requires iOS 15.0 or later.
    • iPad
      Requires iPadOS 15.0 or later.
    • iPod touch
      Requires iOS 15.0 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Age Rating
    4+
    Copyright
    © 2026 Hyung Min Son
  • Developer Website
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