| Engineering | |
| Topanga SchematicMaker Use this software tool to easily create electrical and electronic schematics, PLC ladder, flow and timing diagrams. Download and test the Free Trial Version Purchase activation key. Purchase |
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| Financial | |
| Topanga Annuity Calculate the present and future value of a series of payments made at regular intervals. Download and test the Free Trial Version Purchase activation key. Purchase |
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| Topanga APRAPY Convert between APR (annual percentage rate) and APY (annual percentage yield) Download and test the Free Trial Version Purchase activation key. Purchase |
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| Topanga Depreciation Calculate a depreciation schedule using straight line, constant ratio or sum of the digits. Generate and export reports. Download and test the Free Trial Version Purchase activation key. Purchase |
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| Topanga Loan Calculate a loan amortization schedule using compound interest. Generate and export reports. Download and test the Free Trial Version Purchase activation key. Purchase |
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| Topanga Mortgage Calculate a mortgage loan amortization schedule using compound interest. Compare loans with and without points. Generate and export reports. Download and test the Free Trial Version Purchase activation key. Purchase |
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| Graphics | |
| Topanga ImageBorder Add a colored border to any image to create an image exactly sized for standard frames. Create a composite image sized for a standard frame composed of 1 by 2, 2 by 1 or 2 by 2 images. Download and test the Free Trial Version Purchase activation key. Purchase |
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| Mathematics | |
| Topanga FirstOrderDEQ Calculate the Runge-Kutta numerical solution for a first order differential equation with specified initial condition. Download and test the Free Trial Version Purchase activation key. Purchase |
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| Topanga SecondOrderDEQ Calculate the Runge-Kutta-Nystrom numerical solution for a second order differential equation with specified initial conditions. Download and test the Free Trial Version Purchase activation key. Purchase |
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