| Program | Price USD | Payment | Download | Retrieve license |
|---|---|---|---|---|
| ComplexNumberCalculatorPrecision45 | 60.00 | download | retrieve license | |
| ComplexCalculatorPrecision36 | 45.00 | download | retrieve license | |
| ComplexCalculatorPrecision27 | 30.00 | download | retrieve license | |
| ComplexCalculatorPrecision18 | 20.00 | download | retrieve license | |
| ScientificCalculatorPrecision90 | 40.00 | download | retrieve license | |
| ScientificCalculatorPrecision81 | 35.00 | download | retrieve license | |
| ScientificCalculatorPrecision72 | 30.00 | download | retrieve license | |
| ScientificCalculatorPrecision63 | 25.00 | download | retrieve license | |
| ScientificCalculatorPrecision54 | 20.00 | download | retrieve license | |
| CompactScientificCalculator54 | 20.00 | download | retrieve license | |
| CollegeScientificCalculator45 | 17.00 | download | retrieve license | |
| CompactScientificCalculator45 | 17.00 | download | retrieve license | |
| CollegeScientificCalculator36 | 14.00 | download | retrieve license | |
| CompactScientificCalculator36 | 14.00 | download | retrieve license | |
| CollegeScientificCalculator27 | 11.00 | download | retrieve license | |
| CompactScientificCalculator27 | 11.00 | download | retrieve license | |
| ScientificCalculatorDecimal | 10.00 | download | retrieve license | |
| MathCenterLevel2 | 40.00 | download | retrieve license | |
| MathCenterLevel1 | 20.00 | download | retrieve license | |
| HouseholdCalculator | 5.00 | download | retrieve license |
Notes:
1. Immediately after payment a Serial Number is sent to the same email that you used for payment. Select and copy the Serial Number from the letter and paste it into the activation window. To select, drag cursor along the text. To copy, press Control and C at once. To paste, press Control and V at once.
2. Pay Now Button takes you to PayPal website. PayPal accepts all credit cards.
3. When you start the software and start calculation, there is is a notable delay which seems as slow calculation. This is due to protection. The program takes some time for encryption-decryption . Further calculations are done at usual speed.
4. EULA
1. You may install a copy of the Software on your personal computers. For each paid license you are given five available hardware profiles. One profile is considered as main and four as alternative. Each hardware profile is based on processor. You may install Software either on five computers at once, or install on one computer and keep four available profiles for future use, or in any other combination. Once activated a profiles becomes a used profile and number of available profiles decreases. A used profile cannot be replaced. For example, if a processor on your computer breaks down, you will have one main profile and three alternative profiles. If you have multiple operating systems on your computer, then you may install and activate the Software on each operating system under one profile. You may install and activate the Software on any virtual machine, but it can take an available profile, since virtual machines usually have different information for processor. If you have paid for a license, you may install and activate any past and future version of the Software. A paid license has no time limit. Activation of the Software requires internet connection. Once activated the Software does not require internet connection.
2. You may not reverse engineer, decompile, disassemble or otherwise attempt to discover the source code of the Software.
3. You may not alter or modify the Software or create a new installer for the Software.
5. The easiest way to install a new version is : uninstall previous version, install new version, activate program using your serial number.
6. If you install the Software into Windows Vista or Windows 7, use following procedure (for Internet Explorer, for other browsers similar). Click download link and choose Save file. When download has finished, choose Open folder. Right-click downloaded file. From right-click menu choose Run as administrator.
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