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Precise audio function generator with phase, frequency and amplitude modulation, four output channels, sweep and MLS function.

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Scientific calculator for Android devices, which is very user-friendly due to its large buttons. Also available as an enhanced version for a fee.

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Program to transform a Java-enabled phone into a function plotter and calculator, with formula memory for up to 20 functions. The phone can calculate derivatives as formulas and map up to two derivatives. It can also display up to three functions simultaneously and add them together graphically.

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Displays, edits and converts microscopy data. Images can be measured, mirrored, rotated, filtered, cropped, coloured and resized etc. A 3D view is available for topographic images. Fast and secure download from The H

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Fourier analyser for audio signals. Fast and secure download from The H

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Viewer for GIS, CAD and vector graphics, as well as ArcView, ArcExplorer and MapInfo projects. Offers PDF export, user labelling and assignment by theme. Supports TIFF/GeoTIFF, ECW/ECWP, MrSID, JPEG2000, JPEG, IMG, BMP, BIL/SPOT, PNG, CADRG, CIB, SHP, E00, MIF/MID, TAB, DXF, DGN, TIGER, GML, KML, VPF, GDF, DLG, SDTS and GPX formats. Fast and secure download from The H

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Uses the colour code to calculate the value of resistors, capacitors, diodes and inductors. Separate Pocket Version available for Windows Mobile. Fast and secure download from The H

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Small CAD viewer for opening and printing DGN, DWG and DXF files. Uses MicroStation graphics engine to display 2D drawings and 3D CAD models. Offers zooming, panning and rotating functions, measures the distance between two points and determines the length of a line. Download requires registration.

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Offers graphic display and documentation of processes and procedures; based on the standard Business Process Modeling Notation (BPMN) for representing workflows. Download requires a valid email address. Fast and secure download from The H

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Free viewer for displaying and measuring DWG, DWF and DXF files. Offers Xref support for displaying levels and block attributes.

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Two-dimensional CAD program with basic editing tools.

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Calculator program for solving mathematical problems in the fields of algebra, geometry and statistics. Supports vectors and matrices.

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Scientific calculator that can calculate a large number of mathematical expressions and knows more than 50 mathematical and scientific constants; you can also define your own constants.

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E-book for students dealing with mathematics. Provides information on topics such as differential and integral calculus, complex numbers and trigonometric functions. Further e-books available.

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Use this program to design, simulate and control analogue and digital model railway layouts in simple 2D graphics.

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24-bit MDI fractal generator. Has an integrated formula compiler and animation support.

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This structure formula editor builds virtual molecules and displays them as a wire grid, space-filling model or Dreiding model. You must register on the manufacturer’s web site before downloading.

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Chemistry database with a specially designed chemical calculator. Includes modules for infrared spectroscopy and contains a host of information about elements, solutions, solvents and biochemistry. The included calculator has functions for unit conversion and supports calculations of chemical and physical variables.

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Reads and analyses the most commonly found chip cards such as bank chip and pin cards, S cards, VR bankcards, GSM SIM chip cards, travel cards, health insurance cards, cash cards, HBCI cards and electronic tickets. Also edits and copies card settings and phone book on GSM SIM cards. Manufacturer's web site is currently only in German, but the software is in English. Fast and secure download from The H

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Develops and simulates electronic circuits.

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